election in about a month. a u.s. sailor is missing in the gulf of oman. lisa sylvester is monitoring that and other top stories in "the situation room" right now. what's going on? >> hi, wolf. well a search is underway for a female sailor who may have fallen overboard from the boat. she didn't report to watch, and after the ship was searched, commanders called man over board. helicopters and other aircraft are looking for the sailor. british forces are helping out, too. the merger between comcast and nbc universal is on. fcc commissioners voted four to one to let the largest cable operator combine with a few conditions. comcast will have to expand local news coverage, expand programs for spanish speaking viewers and offer internet access to schools. after a long struggle with