Epic Fifth Set News Today

More tennis! >> as only jon stewart could turn wimbledon into gladiator. thats what it took for american john isner to beat mahut in their epic fifth set. >> isner said he was delirious after the match. he is back on the court now playing his second round opponent. what kind of shape would he have been in when he got up this morning? can you imagine that? how does the -- you know the human body handle that kind of physical stress. senior medical correspondent elizabeth cohen does and has been lo...