Colorful former Trump advisor Roger Stone thinks 2012 Republican nominee Mitt Romney is thinking about getting back in the presidential race. Stone tweeted his suspicion, and told CNN he had heard that Romney was considering a run from his sources. The move could indicate Romney sees an opportunity to better confront and challenge front-runner Donald Trump. Some see current establishment standard bearer former Florida Gov. Jeb Bush as flailing. Trump has mocked Bush for being "just flat" on the campaign trail and Sunday called him a "low energy" candidate. Romney publicly considered a third run as recently as January, but...