This is an opportunity for Trump to do the right thing and do it clean, to say to Zelensky, I support this negotiation with Putin. I hope that you an… - Stephen F. Cohen

The chance for Zelensky, the new president who had this very large victory, 70 plus percent to negotiate with Russia an end to that war, it’s got to be seized. And it requires the United States, basically, simply saying to Zelensky, 'Go for it, we’ve got your back.'

The Russians are saying, “Look, you’re trying to depose Yanukovych, who’s the elected government.” Think. If you overthrow—and, by the way, there’s a presidential election in a year. The Russians are saying wait 'til the next election. If you overthrow him—and that's what Washington and Brussels are saying, that he must go—what are you doing to the possibility of democracy not only in Ukraine, but throughout this part of the world? And secondly, who do you think is going to come to power? Please tell us. And we’re silent.

There were three major episodes of détente in the 20th century... The first was after Stalin died, when the Cold War was very dangerous. That was carried out by Dwight Eisenhower, a Republican president. The second was by Richard Nixon, advised by Henry Kissinger—it was called ‘the Nixon détente with Brezhnev.’ The third, and we thought most successful, was Ronald Reagan with Mikhail Gorbachev. It was such a successful détente Reagan and Gorbachev, and Reagan’s successor, the first Bush, said the Cold War was over forever.