even if it doesn't work every time, even if it doesn't save every person who is a potential victim of gun violence, but we save a few. you know, if we don't do that, shame on us. >> and shame on congress if they cannot find the courage to act on this issue. get your cell phones out. we want to know what you think. tonight's question, is today's testimony enough for congress to act on gun laws? text "a" for yes. text "b" for no to 622639. you can go to our blog at ed.msnbc.com. we'll have results later on in the show. joining me now is senator sheldon whitehouse of rhode island who was part of today's hearing. senator, good to have you with us tonight. >> thanks, ed. good to be with you. >> you bet. this is an emotional, gut-wrenching issue on both sides. people on the other side of the issue, lapierre's crowd, think that they're being attacked. did today's hearing move the needle any closer towards