ecause the Republican presidential candidate hasn't gotten around to mocking everyone in the world just yet Perhaps no presidential candidate in history has wielded the put-down quite like Donald Trump. John McCain’s a “dummy.” John Kasich is “desperate.” Rick Perry “needs new glasses.” Karl Rove is “a total loser.” Lindsey Graham, Trump said Tuesday as he announced the South Carolina Senator’s cell phone number on live television, is a “stiff. What a stiff.” The list goes on. Feeling left out that Trump hasn’t gotten around to insulting you or your friends? Here’s an app for that. Built on the real-live...