The US just bombed 3 sites in Syria. Here's what we know about why states choose airstrikes.

The US just bombed 3 sites in Syria. Here's what we know about why states choose airstrikes.  Washington Post Syria air strikes: Will West's attack sway Syria's Assad?  BBC News US and Allies Launch Airstrikes Against Syria  New York Magazine The Syrian War Is Actually Many Wars  The Atlantic President Trump Talked Tough. But His Strike on Syria Was Restrained.  New York TimesFull coverage