Senators from both parties express displeasure with Iran briefing
Members of the House and Senate have now been briefed on the strike that killed a top Iranian general last week, and not everyone is happy. CBS News national security correspondent David Martin, Politico White House reporter Nancy Cook, Washington Post congressional reporter Mike DeBonis, and Foreign Policy diplomacy and national security reporter Robbie Gramer speak to CBSN's "Red & Blue" about the remaining questions for lawmakers.