Watch live: Biden revives cancer moonshot at meeting with Quad leaders The HillWatch: Will Quad Survive Beyond November? Biden's Gesture. PM Modi By His Side NDTVBiden Hosts a Final ‘Quad Summit’ at His Delaware Home The New York TimesQuad leaders meet in Biden’s hometown amid growing China competition Al Jazeera EnglishBiden hosts his final Quad summit at his Delaware home, high school CBS News