wendy rieger. those lawmakers are demanding a vote on the so-called no fly, no buy measure before congress takes a recess. >> rise up, democrats. rise up, americans. >> georgia congressman john lewis sit-in, upset after four separate measures on gun control failed to garner any traction. tim kaine spoke just after he at that protest. >> we're not going to stop. there shouldn't be a gag rule that prohibits gun safety from being meaningfully discussed in this body. >> here's a live look right now of the house floor. some members of congress are streaming the protest with their smartphones because cameras on the phone have been turned off. let's get the latest. >> reporter: congressional democrats took a stand on gun control with a sit-in on the house floor. >> let us vote. we came here to do our job. we came here to work. >> reporter: congressman john lewis, a veteran of the civil rights movement, led the rare, if not unprecedented, demonstration. >> gentlemen's time has expired. >> reporter: it was an old-school act of civil disobedience that went viral with the help of social media. the action was captured from the