• In this Wednesday, April 20, 2016, photo, smarTours tour director Pamela Boudrot, center, and local tour guide Enedis Tamayo, left, lead a group of tourists in Havana. The thaw in U.S.-Cuba relations has many small and medium-sized companies thinking about doing business with the nation that has largely been off-limits for more than half a century. Greg Geronemus, owner of smarTours, based in New York, began planning to increase his Cuba business two years ago, when he ran 15 tours. He expects to run 45 tours to Cuba this year, most of them leaving from Miami. (AP Photo/Desmond Boylan)

    A waiting game for companies hoping to do business in Cuba

    NEW YORK (AP) — The thaw in U.S.-Cuba relations has many small and medium-sized companies thinking about doing business with the nation that has largely been off-limits for more than half a century. Most companies, however, will have to wait.