GARRY KASPAROV Host Carol Castiel speaks with Garry Kasparov, world chess champion and global champion of democracy and human rights, about the themes of his forthcoming book “Winter is Coming: Why Vladimir Putin and the Enemies of the Free World Must be Stopped,” including Putin’s continued destabilization of Eastern Ukraine, Moscow’s increased military deployments in Syria as well as what Kasparov says are the dangers posed by the recently concluded Iran nuclear deal.