i asked sam saylor and monte frank about that. they both said they are both hopeful. they are both fighting for stricter, stronger federal gun laws. but they also don point out they say we're not against second amendment rights. we're not against guns. we're against gun violence. they're in d.c. together right now, today and then tomorrow, for this vigil at the national cathedral for victims of gun vi violence. >> do they think they can make a difference? they're fighting an uphill battle. >> they see the numbers. mshl monte says there is a grassroot movement. he wants to see federal background checks and stronger gun tracking bill. they believe they are going to make that change. >> poppy harlow, thanks so much. >>> in the days after newtown we heard a lot of talk about how everything would change. well, everything didn't. there have been at least 11,400 gun-related deaths since then. and in mother jones magazine, mark fullman writes about 194 children who have died in gun violence. and he joins me right now. you know, mark, since the sandy hook tragedy, you have bee