http://www.slate.com/articles/news_and_politics/politics/2015/09/republican_nonpoliticians_are_surging_the_gop_rift_that_matters_isn_t_about.html

Donald Trump has some company atop the field in Iowa, per the latest polls of the first caucus state. It is neither Wisconsin Gov. Scott Walker, who lorded over the Iowa caucus polls for most of the year, nor Sen. Ted Cruz, the steady conservative heartthrob. Mike Huckabee and Rick Santorum, the previous two winners of the caucuses, are nowhere.