CNN The Lead With Jake Tapper December 1, 2015 21:04:00
In may provided an initial trove of intelligence, leading to improved information about isis. two operatives still in the u.s. crosshairs, isis' leader al baghdadi and adnony. so few details on the new effort that u.s. officials are telling us it could be days or weeks before these u.s. troops arrive. a lot of details still to be worked out. >> barbara starr at the pentagon, thank you so much. this all comes, of course, as tension between russia and turkey over the downing of a russian fighter jet shows no signs of calming. as president obama is forced to play referee between two world power...