| Former President Donald Trump has a commanding lead going into Monday's Iowa GOP presidential caucuses, the final Des Moines Register/Mediacom/NBC News poll shows. Nearly half of likely caucusgoers, 48 percent, say they will vote for Trump. In the fight for second place, former South Carolina Gov. Nikki Haley (20 percent) has inched narrowly in front of Florida Gov. Ron DeSantis (16 percent). Read the latest | 
