• Republican presidential candidate, former Florida Gov. Jeb Bush, speaks at the Defending the American Dream summit hosted by Americans for Prosperity,Friday, Aug. 21, 2015, at the Greater Columbus Convention Center in Columbus, Ohio. (AP Photo/Paul Vernon)

    Newcomer to Koch scene, Bush competes with tea party class

    COLUMBUS, Ohio (AP) — Casting himself as a tax-cutting, passionate government reformer, Jeb Bush drew merely polite applause Friday from thousands of the nation’s most-active tea party conservatives gathered at the billionaire industrialist Koch brothers’ summit.