now than when i first got here. when i first got here, they were at 14 different locations fighting. right now, they don't -- i don't think iran wants to fight. and i certainly don't think they want to fight with us. but they cannot have nuclear weapons and under the obama horrible agreement, they would have had nuclear weapons within five or six years. they can't have nuclear weapons and they understand that. >> so this troop announcement is in addition to another big announcement today. the administration just notified congress that the president will cite an emergency provision to expedite the sale of weapons to saudi arabia. this is according to democratic senator bob menendez. an arms deal is widely opposed by lawmakers on both sides. the president's move essentially circumvents congressional approval. cnn pentagon correspondent barbara starr joins us now. barbara, 1,a00 more troops. what more is the pentagon saying about what this entails? >> hi there, ana.