CEDAR RAPIDS, Iowa- The KCRG-Gazette-Iowa State University poll of more than 1200 registered Iowa voters came out Thursday. Three candidates took nearly two-thirds of the overall vote. Herman Cain was at the top, with 24.5 percent. Not far behind, Texas Representative Ron Paul. Mitt Romney took about 16 percent. All other candidates polled in the single digits. When asked for a second choice, voters picked “can’t decide” more than 20 percent of the time, leaving a large gap of uncertainty in the race. In a somewhat surprising twist, Herman Cain polled better among women than other candidates in the poll....