DeSantis and Haley trade blows ahead of key vote

The two candidates also ramped up their attacks on Mr Trump, saying he failed to deliver on immigration and lacked moral clarity, as they looked to make up ground on the former president, who leads them both by around 50 points in national polls on the preferred Republican candidate. The former president himself was also on the hustings in Iowa, but at a town hall meeting organised by Fox News in the state capital Des Moines timed to compete with the debate. Donald Trump, greets attendees following a Fox News town hall in Des Moines, Iowa. Bloomberg Mr DeSantis and…