Even Melania campaigns! Donald Trump uses his family (and invites children aboard his private jet) in last-minute push in Iowa. Donald Trump pulled out all the stops in a last-minute push to persuade his supporters to turn out to vote for him in the country's first presidential caucus in Iowa. The GOP frontrunner recruited the help of his rarely seen wife Melania as well as daughter Ivanka and sons Donald Jr and Eric - along with their wives - to join him on the campaign trail this weekend. And of course, the billionaire was not afraid to flaunt his wealth...