al qaeda militants are threatening to execute an american hostage in yemen. according to a new video obtained by a terrorist monitoring group. in the video photo journalist st. luke summers who was kidnapped last year said he is certain his life is in danger. al qaeda threatened to kill somers if demands to the u.s. government aren t met. this comes on the heels of a new isis threat to military personnel and their families on social media. joining me now is senator tim kaine, member of the foreign relations and, first, let me just ask you about this hostage. andrea, this is very, very troubling what we re seeing in these hostage takings and they re barbaric and demonstrate the need for us to continue to have a strong, just cut off. i think we have a problem