Coons and Flake: Consequences of Syria withdrawal 'gravely concerning'
01:23Sen. Chris Coons (D-Del.) and Sen. Jeff Flake (R-Ariz.) explain why Trump's decision to pull out of Syria is concerning.
Sen. Chris Coons (D-Del.) and Sen. Jeff Flake (R-Ariz.) explain why Trump's decision to pull out of Syria is concerning.