Republican presidential front-runner Donald Trump, at a Fox News-hosted town hall in Indianapolis, on Wednesday blasted rival Ted Cruz’s decision to announce a running mate even though he’s losing the nomination race – calling it a “waste of time.” The billionaire businessman responded to Cruz’s campaign curveball, while also elaborating on a foreign policy speech he delivered earlier in the day, at the forum hosted by Greta Van Susteren. “I think it’s really a waste of time, honestly,” Trump said of Cruz’s decision to name former presidential candidate and ex-HP CEO Carly Fiorina as his VP pick. Of the race,...