With one chart, Slate (of all sites) shows that it wasn't war as much as it was a democratic president which ended war protest. It was all in when Bush was president and all out with Obama. Not a shocker, but something of a reality check when it comes to politics.
"There's been a lot of talk about the absence of a strong and visible anti-war movement, the way there was during the George W. Bush Presidency. While there are protests against intervention in Syria, in general the movement seems to be a lot weaker under Obama. If you guessed that this had something to do with the fact that Obama is a Democrat, you'd be correct!"