. >> the president tried to dampen expeck tases that any military actions are imminent. the pentagon is still drawing up options for him as we speak. >> thanks very much. there's a lot more to go on this. this terrorist group has warned one of its next targets is baghdad. they've warned it, might as well expect it and our producer, chris, information specialist, i should say, has some information. >> i have just a few facts on baghdad. it's the capital of iraq, also the largest city. it was founded in 672 a.d. >> how about 762. >> about 60% to 70% are shia muslims and reuters says there are 100 u.s. troops at the embassy. >> that's the billion dollar embassy we built there. analysts are calling this crisis the biggest threat to iraq's stability since the united states withdrew troops at the end of 2011. a sentence which is confounding because it suggests that iraq was stable. it might have looked stable. it wasn't stable. the sectarian divides did not melt away when the united states went away. and they won't melt away according to people who understand this region when