Expert on Ukraine's future after Trump-Zelenskyy meeting

Ukraine's future could be in peril after President Trump's tense meeting with Ukrainian President Volodymyr Zelenskyy at the White House. Nina Khrushcheva, the great-granddaughter of former Soviet leader Nikita Khrushchev and a professor at the Julien J. Studley Graduate Programs of International Affairs at The New School, joins CBS News with her take.