Donald Trump may be the spinning top that won’t fall down, but his Iowa co-chair is cringing at some of his recent statements. “On illegal immigration, he wants to gather up the families and ship them out? That was a boondoggle. The caucusgoers are like, ‘What?’ That was a big mistake,” Richard Thornton told The Des Moines Register. But Thorton still thinks the Republican candidate can plow forward, but he is going to have to expand his policy issues to do so. He told the Register Trump needs to focus on the economy, bringing back jobs from overseas and term...