Mayor Zohran Mamdani, Sen. Mark Kelly, Sen Todd Young

New York City Mayor Zohran Mamdani, D-New York, joins ‘This Week' in an exclusive interview about his political influence after his slate of preferred candidates won key Democratic primaries. ABC News' Jonathan Karl speaks with author Rye Barcott, Sens. Mark Kelly, D-Ariz., and Todd Young, R-Ind. ABC News' Selina Wang reports on strikes between the U.S. and Iran. The Powerhouse Roundtable breaks down this week's political news. A preview of ABC News' coverage of America's 250th anniversary.