a memorial service for the 12 people killed in monday s mass shooting at the washington naval yard will begin in about an hour. right now we re back with our brain trust. esther arma, political commentator and play wright. peter sudoman, senior writer at victoria, i want to start with you. president obama will address today s gathering later this afternoon. last night while speaking at the congressional black caucus dinner the president again made an impassioned plea for reforming the nation s gun laws. let s take a listen. as long as there are those who fight to make it as easy as possible for dangerous people to get their hands on a gun, then we ve got to work as hard as possible for the sake of our children. we ve got to be ones who are willing to do more work to make it harder. victoria, why is it still so difficult to sell gun reform legislation in this country? i think the scope is at issue