off of a glacier this week and scientists say it is probably because of global warming, but too early to say for sure. oh children in south africa singing to nelson mandela on today, his 94th birthday. civil rights icon and south africa africa s first black president turns 94 on what is officially mandela day in the country. and what is most important today is what sis happening in syria and the most important development there. a bomb in damascus that killed four officials who were all part of the president s circle. the first man killed is the syrian defense minister who is our equivalentf the ministry of defense and he is killed da wood rajiha, and also is the president s brother-in-law and the president s security adv and all of the men were in a meeting when the bomb went off. cnn does not have reporters or camera crews in syria right now but arwa damon is watching this unfold from beirut, and arwa we are talking about the president s closest advisers and a family