libya as they defend themselves against attacks by government troops. a middle east correspondent for britain tells cnn that troops still loyal to libyan strongman moammar gadhafi have been firing rockets into residential neighborhoods in the city of misurata. but he says the rebels are not giving up an inch. somali officials say 54 somalis trying to escape libya are dead or presumed dead after an overcrowded boat capsized off the coast of tripoli friday. back in the u.s., president obama renewed his push for immigration reform during a visit to el paso, texas, calling the immigration system "broken." but each some of his strongest supporters say the president simply hasn't delivered on his promises of reform. microsoft is buying skype for $8.5 billion in cash, the biggest acquisition microsoft ever made. they plan to use the realtime video and voice in existing products like the xbox gaming