reiterated Sunday that he is looking at the possibility of a presidential campaign "very, very seriously" but declined to hit back against criticism lobbed at him by a fellow Texas Republican. In an interview with The Washington Post this week, former Texas governor Rick Perry jabbed at Cruz, noting that President Obama was also a young U.S. senator when he was elected as president.“I think it’s one of the selling points, if you will, to the American people as they decide who is going to follow Barack Obama,” Perry said. “I think they’re going to make a rather radical shift away...