north korea has made similar moves in the past, just to tamp down pressure than they come out and surprise us with tests later, just like they surprise the u.s. in december. it has been 641 days since the u.s. lost the top credit rating. what are we doing to get it back? the streshry announced they re selling off more of what we taxpayers own in general motors shares. taxpayers, though, are still expected to lose big money on gm, unlike all the major banks. and now our forth stoury out front. the boston bombing suspect s internet trail. a law enforcement official sells cnn that investigators believe that tamerlan tsarnaev, the suspect who died after a shootout with police, accessed al qaeda s english language magazine inspire on a computer in the apartment he shared with his wife. that magazine contained instructions on how to make a bomb. joe johns is in boston tonight. joe, investigators are still trying to determine exactly how much if anything russell knew about what her husban