What Are the Legitimate US Goals in Ukraine?

"I think the US goals ought to be resolving this conflict in a way that gets the fighting stopped quickly," he says. "The United States has sort of let Ukraine's interests be our interests, and I don't think that is true" The process of evicting Russian forces entirely from Ukraine will be very costly for both U.S. and Ukranian sides,. CNN's John Defterios talks with former Ukrainian President Leonid Zelensky about his country's involvement in Crimea.