new today, the united nation top inspector resigning suddenly. this move comes days after the president announced the united states is pulling out of the iran deal with russian foreign minister call for the agreement to be upheld. all of this happening in the very same week vladimirpu putins sworn in for his fourth term. michael is also the author of a new book "from cold war to hot peace" and michael mcfall. i just love talking with great writers. i had one with john meacham and now one with you. my day is made. >> we keep bumping into each other. i don't want to be competing with mucheacham, that's a bad tg for me. >> we'll get to the book in a