a week of violent antigovernment demonstrations in egypt could intensify. the brotherhood has been called to demonstrate. mohamed el berra die is returning home to join in the protests. nasa is remarking the day tomorrow of the space shuttle "challenger" explosion. a spokesman in dave voss say a small fire work went off at the back entrance of a hotel where high powered guests are gathering for the world economic forum. former president bill clinton expected to speak there tonight. a crazy story about charlie sheen, you've heard them. but you've got to hear what his