Ukrainian President Volodomyr Zelenskyy and U.S. National Security Adviser Jake Sullivan

This week on "Face the Nation with Margaret Brennan," an exclusive interview with Ukraine's President Volodomyr Zelenskyy, and the U.S. response to what's been a critical week on the national security front. Plus, a new CBS News poll that reveals some disturbing indications about voters who want to contest the upcoming elections six weeks before Election Day. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.