And a good question it is.
Did you watch the Congressional hearing today? In case you didn't, let me point out an interesting dialogue that took place between Senator Rand Paul and Secretary of State John Kerry.
Senator Paul asked SoS Kerry if the POTUS would respect Congress if they did not approve of a US missile strike on Syria. Kerry responded that the POTUS would still have the authority to strike Syria even without Congressional approval.
This is, of course, despite the fact that there has been no evidence released that Assad was responsible for the chemical attack. Despite the fact that the vast majority of the American population is against any involvement in Syria, and despite the fact that attacking Assad's forces will aid Al Qaeda.
Obama is going to strike Syria.
The best that We, The People of the United States, can do, is to list the names of each Senator (there are 10), Congressmen, Representatives and anyone else in office that went against the wishes of The People and decided to attack Syria when they have not threatened us, and make sure they never, ever hold public office again in the next election cycle by voting all incumbents out.