Trump supporter Kraig Moss sings in front of a large painting by artist Julian Raven during a Truckers for Trump convoy event for Republican Presidential Candidate Donald Trump in Des Moines, Iowa, January 28, 2016, ahead of the Iowa Caucus. 
With five days to go before the first vote in the US presidential nominations process in Iowa, Republican frontrunner Donald Trump is dominating the airwaves. His approval rating has never been higher. / AFP / JIM WATSON        (Photo credit should read JIM WATSON/AFP/Getty Images)
iJim Watson/AFP/Getty