richard allen and the hundreds of lives that have been lost in school shootings. >> congratulations to all the winners in this year's studentcam competition. to see more winning videos, go to studentcam.org. >> next, a discussion about the future of the civil rights movement. then a look at the life and legacy of former british prime minister margaret thatcher. after that, the dedication ceremony to honor congressional aid gabe zimmerman killed in the tucson shootings in 2011. on the next "washington journal," nbc news senior political editor mark murray looks at the potential political impact of the bombings in boston and what's ahead for congressional action on guns and immigration. ill braniff, director of the anti-terrorism group talks about terrorism. and a report on torture by the united states. "washington journal," live at 7:00 a.m. eastern on c-span. >> the f-35 is the most expensive weapons system in the history of the united states. history of mankind, quite frankly. it is an advanced warplane, a fighter jet that is to be used by the air force, the navy and the marine kerp.