President Donald Trump is set to have a high-stakes meeting with Ukrainian President Volodymyr Zelenskyy, who is offering new concessions to end the war with Russia. ABC News’ Chief Washington Correspondent Jonathan Karl discusses what's at stake for the scheduled meeting. ––– Subscribe to ABC News on YouTube: https://abcnews.visitlink.me/59aJ1G ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for