Amb. Mike Waltz, Rep. Ro Khanna, Reem al-Hashimy

U.S. Ambassador to the United Nations Mike Waltz defended President Donald Trump's renewed threat to decimate Iran's power infrastructure and bridges amid his push to try to strike a deal with the country ahead of another round of in-person talks in Pakistan on Monday. Roundtable: Former DNC chair Donna Brazile, former New Jersey Governor Chris Christie, and "National Review" editor Ramesh Ponnuru.