U.S. Sen. Ted Cruz arrived Jan. 4 at the first stop on a six-day tour of Iowa. The Republican presidential candidate was set to visit 28 counties by bus. (Photo by Patrick Svitek) WASHINGTON — In the more than 200 events he's held since launching his campaign for the White House 10 months ago, Ted Cruz has tested out an unorthodox strategy, one that could rewrite the rules of Republican presidential politics.Since the Texas senator declared his candidacy in March, 40 percent of his public events have taken place in Iowa, according to a Texas Tribune analysis of his travel schedule as of Saturday. But...