President Obama and the 'red line' on Syria's chemical weapons - The Washington Post
Obama's "Red Line" That Wasn't - YouTube
Why Obama Didn't Enforce His Red Line in Syria
Red Line Redux: How Putin Tore Up Obama's 2013 Syria Deal
Obama's 'red line' on Syria: An Iraq-like 'slam dunk' moment? - CSMonitor.com
Double Take 'Toons: Gaming The Change? : NPR
Trump Blames Obama's Failure to Follow Through on 2013 'Red Line' for Russia, Iran's Control of Syria
Obama: 'I didn't set a red line, the world set a red line'
Obama warns Syria not to cross 'red line' | CNN
23,000 Killed Is Not a Red Line - Political Violence at a Glance
Video President Obama Draws 'Red Line' on Syria in 2012 - ABC News
The President Blinked": Why Obama Changed Course on the "Red Line" in Syria | FRONTLINE
President Obama's 'Red Line': What He Actually Said About Syria and Chemical Weapons - ABC News
Trump bombing Assad's Syria traces back to Obama's “red line” fiasco - Vox
Obama's Red Line, Revisited - POLITICO Magazine
Senate panel backs Syria attack; Obama defends chemical arms red line | CNN Politics
Why Obama Didn't Enforce His Red Line in Syria
Obama's red line
Ariail on Obama's red line | The State
C4H10FO2P on Twitter: "#Obama's "Red Line" - Use of Poison Gas in #Syria - Failed #Trump's "Red Line" - Nuke Test in North #Korea - in processing.... https://t.co/sRennefDeX" / Twitter
Obama's 'red line' failure assured crisis in Syria | Opinions and Editorials | nola.com
Obama tied down by Syria 'red line' comment
Obama red line syria chemical warfare - Hartford Courant