three of the four gop presidential candidates took their turns trying to woo the crowd. plus, sarah palin talks today. will she officially endorse anyone? we ll check on reynolds wolf. an avalanche rescue dog had to dig him out on the slopes. we ll explain. syria is in a state of crisis, a steady stream of new video is coming into cnn as the city of homs is under attack. take a listen. [ gunfire ] the scene is disturbing. just yesterday, 110 people were killed, most of them civilians. we cannot verify the authenticity of these videos, but we have heard from antigovernment activists who say if they don t receive help, they will kill millions. most is in homs but spreading to other areas. stay with cnn throughout the morning. the cias website is back up this morning after hackers took it down. a group known as anonymous claimed responsibility. they may have attacked the website run by the state of alabama. personal data of more than 46,000 people was compromised. the hacker