Reports of separate phone calls from Trump to Zelenskiy and Putin

Following his election win last week, US President-Elect Donald Trump received congratulations from leaders across the globe. Reports have since come in that Trump spoke to his counterparts in Kyiv and Moscow as well. While President Volodymyr Zelenskiy of Ukraine confirmed that he had an excellent" call, Moscow denies any such communication. Host Marco Werman spoke to Sam Greene, a professor of Russian politics at King's College London, about what's known as of now.