Warren Endorses Platner in Maine, Splitting With Schumer NYT > U.S. News Von: Tim Balk and Reid J. Epstein 19. März 2026 um 19:23 The intervention by Ms. Warren is the latest instance of her embracing a candidate at odds with Mr. Schumer, the top Senate Democrat. © Photographs by Allison Robbert for The New York Times and Sophie Park/Getty ImagesSenator Elizabeth Warren, Democrat of Massachusetts, has endorsed Graham Platner in an acrimonious moment in the Senate race that is among the most closely watched primaries in 2026.