Brian Levitt, OppenheimerFunds Senior Investment Strategist, does not think we're going to hear the Fed call for 4 rate hikes this year. Margaret Talev, Bloomberg Senior White House Correspondent, updates us on the gun control debate in Washington. Craig Moffett, MoffettNathanson Founding Partner & Senior Research Analyst, reviews Comcast's bid to buy British TV giant Sky for $31 billion. Steve Tsang, SOAS China Institute Director, says we overestimate Xi Jinping if we compare him to totalitarianism.