WASHINGTON - U.S. Secretary of State John Kerry took to the Sunday morning talk-show circuit this weekend to make another forceful case for American military intervention in Syria, citing "overwhelming" evidence that Syrian President Bashar Assad gassed his own people with the deadly nerve agent sarin.

"This case is building and this case will build," Kerry said on NBC's "Meet The Press."

"We know the regime ordered this attack," he said. "We know the damage that was done afterward."

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