september. he's expected to ask president obama to delay the withdrawal of troops from afghanistan. i spoke to the president yesterday at blair house, the afghan president across the street from the white house, about the increasing threat to afghanistan as isis tries to gain a foothold there. >> i'm here to thank the american people the congress of the united states and president obama for an immense commitment to afghanistan. over 2,000 servicemen and women have lost their lives, over 20,000 wounded in action. the people of afghanistan want to say thank you. >> what are the threats? what are the threats now to afghanistan, the security threats? >> the security threats first is that terrorism is changing. it is becoming much more lethal. it's morphing very rapidly and