Democrats have set a date. Congressional leaders wrote to the attorney general demanding to see all Robert Mueller's investigation materials by April 2nd. A rocket fired from Gaza slammed into a house north of Tel Aviv, and now Israel is striking back at Hamas. This is happening as Israel's prime minister visits Washington D.C. What's to blame for this new escalation? And a father of a Sandy Hook Elementary School shooting victim has died from an apparent suicide. His death came days after two survivors of the Parkland massacre also apparently took their own lives. We ask one of our health correspondents if these deaths could be part of a so-called suicide contagion.
