back over to you. >> all right, carolyn roth live from london.d facebook's ceo, mark zuckerberg, is stirring up more speculation about his future in politics. political reports that he and his wife have hired democratic pollster joel benenson, a former adviser to president obama and a chief strategist of hillary clinton's 2016 campaign. benenson will reportedly conduct research for the couple's philanthropy. they have already brought on barack obama's 2008 campaign manager david plouffe and senator tim kaine's former communications director amy dudley. those hires, coupled with zuckerberg's recent visits to iowa, michigan, and ohio, and his denials about his interest in public office has many wondering if he has designs to run for president. i guess we're just going to have to wait and see. >> yeah, we will. that could be really interesting, though, i have to say. >>> still ahead, broadway honors the passing of one of its own. a look at the great white way's tribute to the award-winning actor and playwright sam shepard. plus, details on when the