Reuters/Scott Morgan - U.S. Republican presidential candidate Donald Trump waves to the crowd as he leaves a campaign rally at the University of Iowa in Iowa City, Iowa, January 26, 2016.
Politics and Elections
January 28, 2016, William A. Galston
With the Iowa caucuses looming, many are waiting to see if the raw support Donald Trump registers in public opinion surveys will translate into actual votes. William Galston argues Trump's increased popularity with white evangelical Protestants could prove decisive in Iowa.