happy thanksgiving to you and yours. >> thank you. >> leland: turmoil at facebook through the thanksgiving holiday, putting sheryl sandberg on the hot seat. not everybody is giving her a thumbs up. growing speculation about her future announced at the social media giant, plus a young american missionary murdered on a remote island. why he was killed, why it's going to be almost impossible for authorities to recover his remains. >> hi it, i am a minister specialist, currently stationed aboard the uss iwo jima. i would like to wish my family a happy thanksgiving back in georgia. miss you. love you. ♪ diarrhea... girl, pepto ultra coating will treat your stomach right. ♪nausea, heartburn, ♪ indigestion, upset stomach, ♪ diarrhea... try pepto with ultra coating. after a scratch so small rocket