medicare. we will have more on today s birthday including a look at why presidents seem to age so much faster than the rest of us early this thursday morning, august 4th, 2011. captioning funded by cbs good thursday morning to you. i m erica hill. nice to have you with us this morning. i m chris wragge. good morning everyone. ahead this morning we will meet a british police officer they are call robocops. we saw him yesterday knocked down by a hit and run driver. he gets up and see gives chase to the driver running away. he eventually caught the guy and asked him what was going through his mind during after all after nearly being run over. amazing. the guy has a pretty good sense of humor about it, so i hear. also at home ahead it is the heat that is really just relentless at this point. the numbers yesterday, 114 degrees in little rock. 109 in dallas. the death toll has also climbing around the country. this is dangerous stuff. marysol castro is in dallas this mo