A suicide bomber's widow named Samantha Lewthwaite is sought in connection with a 2011 bomb plot as rumors swirl that she also took part in the Kenya terror rampage. Now, for the international community, equally difficult work begins to make sure the stockpiles are destroyed, a process that could take years. Participants at an international conference declare in a landmark report that it's more certain than ever that climate change is man-made. A willingness by the Iranians to discuss their nuclear activities leads to an agreement for negotiations next month in Geneva. The Senate remains at an impasse with the House, where conservatives are pushing to defund Obamacare as part of a vital spending bill. With their star running back dying following a "helmet-to-helmet" hit, the heartbroken Westfield-Brocton (N.Y.) Wolverines end their season after just two games. A squad of "super recognizers" - people with a rare talent for remembering faces - has been helping Scotland Yard solve crimes. The FAA appears poised to ease restrictions on airline passengers' use of smartphones, tablets, e-readers and other personal electronic devices. The character played by Lea Michele, the late actor's real-life girlfriend, briefly gazes at a photo of him and sings the Beatles' melancholy "Yesterday." Baseball's most acclaimed relief pitcher retires four batters in his final appearance at Yankee Stadium, then makes an emotional exit to the thunderous chants of a sell-out crowd.