man who didn't undergo proper security screening. apparently, one of the spokespeople for l.a.x. says the man was picked out for secondary screening, but, instead, just picked up his carry-on bag, went through terminal 7, about 5:00 a.m., california time. and right now, authorities are trying to find him and locate that bag. we'll keep you updated. also, waiting and praying in west virginia. four rescue teams went into the upper big branch south mine earlier today to look for four miners from monday's deadly explosion. they're the only miners right now unaccounted for after 25 were killed in an explosion. they're working heir way to chambers denied to protect the miners in disaster situations. we're waiting for a news conference that's supposed to start in about ten minutes. we'll bring it to you live. a limit on nuclear arsenals. president obama reaching his goal on the signing in prague.