the national captioning institute --www.ncicap.org-- >> hello, i am mark shields sitting in for gordon peterson. weeks like this make no sense. but once we paid tribute to the victims. president obama led a memorial service in tuscon. >> the loss of these wonderful people should make everyone of us strive to be better, to be better in our private lives, better friends and neighbors, co-workers, parents. and if, as has been discussed in recent days, their death helped usher in more civility in our public discourse, let us remember it is not because a simple lack of civility caused this tragedy. it did not. but rather, because only a more civil and honest public discourse can help us face up to the challenges of our nation in a way that would make them proud. [applause] >> at times like these, the president is not simply the commander in chief, he is also expected to be the comforter in chief. colby king, do you think barack obama successfully comforted the nation wednesday? >> he covered addition to speaking to the nation, but he spoke for the nation also speaking to tuscon, suffering through th