president repeated again, that it is in the united states core national interest to deter and degrayed bashar al-asaad's ability to deploy those weapons. on the other hand, as he is making the case for military strikes he is also holding out the possibility for a diplomatic solution, and do that end he has asked congress to put aside its deliberations on authorizations the r a strike, all the resolution that is they are considering around that in the senate right now as it is moved towards some sort of vote in the senate, but at the same time, the leadership has put aside that vote, while it looks to that solution, to see if this deal will in fact bear fruit. they believe it was the threat that brought them to the trail to begin with. >> what's the republican reaction to the president's address. >> i think on both sides of the aisle, there's a sense of relief. not just in the last couple of weeks, but over the course of the last two years says he is very skeptical that a strike would actually do much good or he skeptical that this deal is going to go anywhere. how, he says there is no choice but to see