fuel hit its boiling point. that s believed to be the cause of steam pouring out of unit 2. with the water boiling away, there s concern that more radioactive steam could spew out. we ll keep you updated on that. also developing overnight, afghan president hamid karzai announced that afghan forces will soon take charge of security in seven areas of afghanistan. the handover is expected to be complete around july, the same time that the u.s. starts drawing down its forces. the move is considered a first step towards having afghan forces control the entire country by 2014. and it s happened again if you can believe this, another tour bus has crashed. this time in middleton, new hampshire, and thankfully, no one was seriously hurt in this one. 20 people were rushed to the hospital with minor injuries. it s believed that icy roads caused this crash. interstate 83 opened just one hour ago. last night, three living former presidents gathered in washington s kennedy center to honor george h.w