Sen. Rand Paul (R-Ky.), who has hinted he could mount a 2016 presidential bid, is already taking shots at his potential competition in the Republican primary. The freshman senator was asked Monday night during an appearance on Fox News about Texas Gov. Rick Perry's (R) announcement he would not seek reelection — a move that has prompted speculation that Perry could again run for the White House. “If Gov. Perry decides to run for president, I think there would be three good reasons why he could be president: Texas is a big successful state, he’s a long term governor and...