President Obama and the 'red line' on Syria's chemical weapons - The Washington Post
4/28/2013-Another Warning - Hartford Courant
Obama's Red Line, Revisited - POLITICO Magazine
"The President Blinked": Why Obama Changed Course on the "Red Line" in Syria | Obama at War | FRONTLINE | PBS | Official Site
Obama Was Right to Abandon 'Red Line' on Syria's Chemical Weapons
C4H10FO2P na Twitterze: „#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
Gallery: Cartoonists interpret Obama's 'red line' on Syria – Orange County Register
Obama warns Syria not to cross 'red line' | CNN
The Thin Red Line | The New Yorker
Obama's red line | Columnists | tulsaworld.com
Ariail on Obama's red line | The State
Red Line Follies | International Security Discipulus