U.S. President Joe Biden spoke with Ukrainian President Volodymyr Zelensky over the week-end, just days after he spoke with Russian President Vladimir Putin. The call comes as Washington prepares to meet with Moscow on January 10, as tensions mount over Russia's military build up near its border with Ukraine. Cheddar News speaks with Mustafa Tameez, a former advisor to the U.S. Department of Homeland Security, about the issue.