U.S. Secretary of State Rex Tillerson says there is no doubt the regime of Bashar al-Assad is behind the chemical attacks in Syria.
U.S. President Donald Trump called the attacks an affront to humanity, saying it has changed his mind about the situation in Syria.
During a photo opportunity with the Mexican Foreign Minister, Secretary Tillerson also had a message for Moscow.
IN: "Well there's....
OUT: ...Assad regime (click click)"
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