The Republican National Convention to choose a candidate for president will be held in Cleveland in July. There is no presumed nominee, and there has been no contested convention since 1948. Three candidates, Senator Ted Cruz, Governor John Kasich, and businessman Donald Trump, remain in the race. The Chairperson of the Convention’s Rules Committee, Bruce Ash of Tucson, Arizona, thinks that Cruz and Trump will most likely be the two candidates put forward as nominees at the Convention, but that