i think there is a better chance to do that now than ever. >> the gun debate heats up on capitol hill. the president comes out for an assault weapons ban. and the nra makes their first statement following the newtown massacre. tonight republican congressman jack kingston of georgia is here to define his party's message on assault weapons. and congresswoman carolyn mccarthy reacts to the president's statement. social security is officially on the table in fiscal cliff negotiations. david cay johnston tells me if there is any way that makes any sense. and senator bernie sanders on how progressives intend to fight. plus, bob shrum and joan walsh on plan b. and a real scare in syria turns into a real happy ending. tonight we'll tell you how nbc's richard engel escaped from his kidnappers. >> i'm very happy that we're