march 20 at 5:00 when the perlman will be here to discuss her outstanding new book on violence and the palestinian national movement. this is not a set of questions unique to syria obviously. thank you all for coming. have a great day. [applause] [captioning performed by national captioning institute] [captions copyright national cable satellite corp. 2012] >> several live events to tell you about this morning on our other networks. from what wall -- woodrow wilson international center, a discussion on the middle east and u.s. for nforeign-policy. at 10:30 we will be live on c- span3 with a discussion of cyber security legislation. panelists include michael chertoff, former head of the u.s. homeland security department and former national intelligence director, mike mcconnell. in a few moments, today's headlines in your calls a live on "washington journal >" ." president obama will speak at the ground-breaking ceremony of the national museum of african- american history and culture. just before noon, a mitt romney rally in arizona. that state's primary, along with michigan is next week