Trump looms large over Iowa State Fair, but many GOP voters still mulling their caucus choices

The loop Donald Trump's private jet made above the Iowa State Fair before his visit last weekend was more than just a gesture to the hundreds of supporters — and a few rival candidates — on the ground. With less than five months before Iowans cast the first votes in the GOP contest, conversations with more than 40 Republicans at the time-honored presidential campaign ritual suggest the party is far from unified on much of anything else.