FirstpostMoscow alleges Turkey shot down plane to protect oil trade with ISISCNN(CNN) Turkish President Recep Tayyip Erdogan says he'll resign if Moscow can prove its claim that Turkey shot down a Russian plane to protect its oil trade with ISIS. "As soon as such a claim is proved, the nobility of our nation requires [me] to do ...Since When Did Putin Want to Save the Planet?Daily BeastPutin sides with Obama's views, snubs ErdoganPittsburgh Post-GazetteTurkey-Russia Spat Fuels Fears of Syrian Conflict Spiraling Out of ControlVoice of AmericaNew York Timesall 3,358 news articles »