>> reporter: the e.p.a. hopes to have a team in place by tomorrow, but the cleanup could take weeks. edward lawrence, cbs news, los angeles. >> glor: government troops in the philippines are battling to retake coastal villages seized by rebels. they are holding more than 100 people00. the standoff has left at least 56 people dead. thousands others have fled their homes to escape the fighting. police in mexico say they've arrested ivan soto barraza, a suspect in the killing of border patrol agent brian terne2010. two of the guns found were traced to disgraced a.t.f. gun running operation fast and furious. after a 12-year-old dies, are social media sites making cyber bullying too easy?