For more than a year, Ukraine has been defending itself from the invading Russian army, and the world has been watching to see what happens next. The outcome of the war is in doubt, but Bob Kravchuk, a professor at the Paul H. O’Neill School of Public and Environmental Affairs and a world-renowned expert in Ukrainian-Russian relations, says that the very survival of Russia may be at stake in the conflict.O’Neill Speaks is the official podcast of the Paul H. O’Neill School of Public and Environmental Affairs. All opinions and comments on O’Neill Speaks belong to the host and guest of the O’Neill School and don’t necessarily reflect those of the school itself. Music for O’Neill Speaks is by Manos Mars.