i'm philippa thomas. our top story, kenya mourns the victims of one of the deadliest attacks yet by al shabaab militants. 147 people died at this university campus in garissa. we hear harrowing accounts from survivors about how they managed to escape the gunmen. >> all of a sudden, i saw them throw explosives as they entered lecture hall one where the christian union members were praying, so i ran away in shock. >> information is pulled from the mangled data recorder found at the germanwings crash site on thursday. investigators say the co-pilot deliberately accelerated the plane's descent. >>> iranians took to the street last night to celebrate a breakthrough in nuclear talks with the west. can the government there sell the deal to hard-liners. also in the program, alice takes a look at what's happening in business. >> it's a day for arachnophobes to look away as we look at how to make a killing without getting bitten. the brave investors out there who are crowd funding biotechnology. >>> hello. it's mid

i'm philippa thomas.kenya mourns the victims of one of the deadliest attacks yet by al shabaab militants. 147 people died at this university campus in garissa. we hear harrowing accounts from survivors about how they managed to escape the gunmen. >> all of a sudden, i saw them throw explosives as they entered lecture hall one where the christian union members were praying, so i ran away in shock. >> information is pulled from the mangled data recorder found at the germanwings crash site on thursday. in