• In this May 10, 2016 file photo, Republican presidential candidate Donald Trump speaks during an interview with The Associated Press in his office at Trump Tower in New York. Trump trails Hillary Clinton’s campaign by months - even years - in using the fast-evolving tool of digital campaigning to win over voters, say data scientists in the GOP ranks. Trump has dismissed the science that has come to define 21st Century competitive political campaigns, a political tool that President Barack Obama successfully deployed in winning two terms and the Clinton campaign has been working on for at least 11 months. (AP Photo/Mary Altaffer, File)

    On cutting-edge voter data, Trump critically behind Clinton

    PHILADELPHIA (AP) — Donald Trump trails Hillary Clinton by months, even years, in using fast-evolving digital campaigning to win over voters, data specialists working with the GOP say.

  • In this May 19, 2016 file photo, Susan Popovich organizes campaign efforts for Democratic presidential candidate Bernie Sanders out of a union hall in Santa Fe, N.M. The divide between Democrats is on stark display in New Mexico, which votes in the final round of state primaries June 7. Sanders supporters have been speed-dialing the nation from cafes, libraries and union halls and are not about to give up before the final round of state primaries. Hillary Clinton holds the advantage nationally and has locked in support from New Mexico superdelegates and other local powerbrokers. (AP Photo/Morgan Lee)

    New Mexico shows deeply divided Democratic loyalties

    SANTA FE, N.M. (AP) — Tapping free WiFi at public libraries and cafes and hawking T-shirts and bumper stickers out of a Santa Fe hemp clothing store, autonomous cells of Bernie Sanders volunteers in New Mexico have been feverishly fundraising and speed-dialing voters for months.

  • In this Friday, May 27, 2016, photo Jennifer Perelman poses for a photo at her home in Davie, Fla. In an election between two deeply unpopular candidates for president, the difference between winning and losing will come at the margins. Can Donald Trump turn out a few more white men? Can Hillary Clinton win over a few more suburban women? (AP Photo/Alan Diaz)

    Trump’s movement campaign needs adjustments at margins

    TAMPA, Fla. (AP) — Donald Trump calls his presidential campaign a mass movement, but he must show he can coax enough support from voters who twice delivered the White House to Barack Obama.

  • In this March 1, 2016 file photo, Republican presidential candidate Donald Trump speaks during a campaign stop at the Signature Flight Hangar at Port-Columbus International Airport in Columbus, Ohio. China features prominently in the rhetoric of presumed Republican presidential candidate Donald Trump, who accuses the country of stealing American jobs and cheating at global trade. In China itself, though, he’s only now emerging as a public figure, despite a notoriety elsewhere for his voluble utterances, high-profile businesses and reality TV show. (AP Photo/John Minchillo, File)

    Though largely unknown, Trump finds fans in China

    BEIJING (AP) — China features prominently in the rhetoric of presumed Republican presidential candidate Donald Trump, who accuses the country of stealing American jobs and cheating at global trade. In China though, he’s only just emerging as a public figure, despite fame elsewhere for his voluble utterances, high-profile businesses and reality TV shows.

  • In this March 1, 2016 file photo, Republican presidential candidate Donald Trump speaks during a campaign stop at the Signature Flight Hangar at Port-Columbus International Airport in Columbus, Ohio. China features prominently in the rhetoric of presumed Republican presidential candidate Donald Trump, who accuses the country of stealing American jobs and cheating at global trade. In China itself, though, he’s only now emerging as a public figure, despite a notoriety elsewhere for his voluble utterances, high-profile businesses and reality TV show. (AP Photo/John Minchillo, File)

    Though largely unknown, Trump finds fans in China

    BEIJING (AP) — China features prominently in the rhetoric of presumed Republican presidential candidate Donald Trump, who accuses the country of stealing American jobs and cheating at global trade. In China itself, though, he’s only now emerging as a public figure, despite fame elsewhere for his voluble utterances, high-profile businesses and reality TV show.

  • In this March 15, 2016, file photo, Republican presidential candidate Donald Trump speaks to supporters at his primary election night event at his Mar-a-Lago Club in Palm Beach, Fla., as campaign manager Corey Lewandowski listens at left. Trump’s penchant for encouraging rivalries and pitting even those closest to him against each other is roiling his Republican presidential campaign as he plunges into the general election. The tensions boiled over last week with the abrupt ouster of political director Rick Wiley, who left the campaign after just six weeks. (AP Photo/Gerald Herbert, File)

    In business and politics, Trump stokes internal rivalries

    WASHINGTON (AP) — When Donald Trump acquired a pair of Atlantic City casinos in the mid-1980s, he pitted his managers against each other in a ferocious competition over everything from booking entertainers to attracting high-rolling gamblers.

  • This Thursday, May 26, 2016 photo New Mexico Gov. Susana Martinez stands up during the National Anthem at a ribbon cutting of a new Rio Rancho park. GOP presidential hopeful Donald Trump chastised Martinez on Tuesday for not doing her job when it came to trends in unemployment, federal food aid and even containing the Syrian refugee crisis during a raucous political rally at a convention hall in Albuquerque. Martinez, a Republican who has not endorsed Trump, skipped the event citing a busy in-state schedule.(AP Photo/Russell Contreras)

    Donald Trump breaks with nation’s only Latina governor

    SANTA FE, N.M. (AP) — It was a stunning rebuke — even by Donald Trump’s standards — aimed at the nation’s only Latina governor at a political rally in her home state of New Mexico.

  • Libertarian vice presidential candidate Bill Webb, right, chats with Joe Hunter, communications director for the Gary Johnson campaign, at the National Libertarian Party Convention, Friday, May 27, 2016, in Orlando, Fla. (AP Photo/John Raoux)

    Unprecedented excitement at Libertarian Party convention

    ORLANDO, Fla. (AP) — The deep unpopularity of both Donald Trump and Hillary Clinton has led to an unprecedented level of excitement at the Libertarian Party’s presidential nominating convention in Orlando this year.

  • In this May 25, 2016 file photo, Republican presidential candidate Donald Trump waves toward the crowd after speaking at a rally at the Anaheim Convention Center, in Anaheim, Calif. Two California cities are gearing up for visits by Trump and the possibility of protests, following similar events around the country that led to violence and several arrests. The presumptive Republican presidential nominee is speaking Friday, May 27, 2016, in Fresno and San Diego ahead of California's June 7 primary election. (AP Photo/Jae C. Hong, File)

    Will Trump continue to dominate media in 1-on-1 match?

    NEW YORK (AP) — During the height of the primary season, a sense of Donald Trump overload in the media united a divided electorate.

  • In this May 11, 2016, photo, Jeremy Wiggins poses for a photo in Columbia, Mo. Wiggins, a 20-year-old business administration major at the University of Missouri-Columbia, is a supporter of Donald Trump and has been elected to be a delegate from Missouri to the Republican National Convention where he plans to cast his delegate vote for Trump. While most polls show Bernie Sanders is the overwhelming favorite of millennials, some young voters are taking a serious look at Trump as the primary season rolls on.  (AP Photo/Jeff Roberson)

    Dump Trump? Some millennials aren’t so sure

    COSTA MESA, Calif. (AP) — Brendan De Regla drove three hours and waited in line for half a day to see Donald Trump speak at a rally in Southern California.