finally, the good news we ve been waiting for. the value of your house going up for the first time in five years. plus this. don t hit your head on the dock. no way. it s called speed kayaking. or at least trying to be that. our rob marciano taking a dip while trying out this lesser known olympic sport. get your life preserver. newsroom starts right now. announcer: this is cnn breaking news. we do begin with breaking news this morning. more security concerns for the summer olympics. with opening ceremonies set to begin in just three days. good morning to you, i m carol costello. the british government is deploying 1,200 extra troops at. zain verjee is joining us from london. why are they doing this thing? basically, there was a mess-up, carol, by a private security company that was supposed to deliver security. what they total messed up. so the number one message you need to get this morning is here in london the army is in charge of security. basically, you r