"In a pointed jab at Trump's strikes and the subsequent shuttering of the key trade route through the Strait of Hormuz, Obama insisted that the deal was "working."

"Not only did I think it was working, even Israeli intelligence thought it was working, even our intelligence services thought it was working," he said.

"So, there's no dispute that it worked. And we didn't have to kill a whole bunch of people or shut down the Strait of Hormuz."

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"In this bonus clip from Stephen Colbert's visit to the Obama Presidential Center in Chicago, former President Barack Obama recalls his experience negotiating with Iran's leadership and striking the landmark 2015 nuclear deal known as the JCPOA."