Sean Sullivan @WaPoSean
NEW: Biden plunges into impassioned debate on guns that he has largely tiptoed around until it erupted anew after two mass shootings. But Biden/D leaders are tempering the push for action w/some doubt about what can be done. W/@pkcapitol @seungminkim: https://t.co/PyPsuqBXDs — PolitiTweet.org