If he's lost Fareed Zakaria....

Fareed Zakaria, who is supposed to be one of the few people to whom President Hussein Obama listens, blasts Obama and Kerry's agreement with Iran over its nuclear program, calling the agreement a train wreck, in a piece that is being shown on Sunday morning.

CNN speaks with Fareed about his interview this week with Iranian President Hassan Rouhani. This is an edited version of the transcript.