" Gergen says we should take a cue from Lincoln 's Gettysburg Address . He says U.S. must deal with its shortage of guns and find real solutions . Gun owners should be protected , and assault weapons should be regulated , he says . He says we will be held morally accountable for what we do -- or fail to do .
David Gergen says we should take a cue from Lincoln 's Gettysburg Address . He says U.S. must deal with its culture of guns and find real solutions . Gun owners should be licensed , and assault weapons should be banned , he says . He says we will be held morally accountable for what we do -- or fail to do .