Interview of U.S. Vice President Mike Pence en route to an international summit in Poland

U.S. Vice President Mike Pence talks about key domestic and foreign policy concerns, condemns U.S. Congresswoman Ilhan Omar's controversial comments on Israel as "antisemitic" and says that Omar should resign from Congress. He also says that other countries in NATO need to share more of the financial burden for protecting Europe. Andrea Mitchell interviews Pence en route to an international summit in Poland.