Iowans line up for Trump rally four days out from caucuses Heading into the Iowa Caucuses, there is much attention on the close race between Democratic hopefuls, rather than incumbent President Trump. But many voters lined up outside the Des Moines venue where Trump is due to hold a rally say they think there is a less vocal but solid support for the president. "I think it's all underground. Watch what happened last time. They thought it was a shoo-in for Hillary and they were all wrong," one Trump supporter tells AFP. IMAGES AND SOUNDBITES