Double-digit temperatures below zero in Iowa are causing candidates to wonder whether their supporters will even go to the polls. Trump dismisses demonstrators, his pursuers fight for second place. Our reporter is on site.
In several places in the hall, young activists begin to shout. “Climate criminal,” they shout again and again, “climate criminal.” They hold up banners with their message on them for the television cameras. Donald Trump is taken aback for a moment, but quickly composes himself. “Go home to mom, your mom is waiting,” he says to a protester. The room laughs and chants: First “Trump, Trump, Trump,” then “USA, USA, USA.”