Donald Trump stress tests his GOP firewall in the U.S. Senate

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Wash Post’s Phil Rucker, NBC News’ Heidi Przybyla, The Daily Beast’s Sam Stein, former RNC chairman Michael Steele, and former assistant director at the FBI Frank Figliuzzi on Trump announcing the U.S. will abandon its Kurdish allies in Syria, as the impeachment inquiry heats up with the emergence of a second whistleblower