difficulty accessing it. in an airport, when you go through security, once you're inside, that's considered a hard target. but the outside, when you're going into the ticket line just to check in, that's considered a soft target. >> margaret conley, thank you for that. later this morning president obama will speak at a memorial for victims of the navy yard shooting in washington. last night he addressed the recent shootings in chicago. he did so for the first time. >> he and the first lady were at the congress black caucus foundation gala in washington. the president used the opportunity to renew his call for stricter gun control measures. >> we can't rest until all of our children can go to school or walk down the street free from the fear that they will be struck down by a stray bullet. [ applause ]