CNN/NYT to host Democratic Debate tonight at 8PM; Several Republicans raising questions about Giuliani's actions; VP Pence heads to Turkey after Trump slaps new sanctions; Hunter Biden: I did nothing improper, but had "poor judgement";

Sources: Giuliani will defy subpoena for Ukraine docs; Budget Office does not plan to comply with document subpoena; OMB does not comply with document subpoena; Source: Trump's ex-Russia adviser said Bolton thought Giuliani was a "hand grenade" ready to explode; Democrats question another key witness behind closed doors as republicans attack the process; U.S. Official: Turkish-backed forces come close to U.S. troops; Void left by U.S. troops in Syria being filled by Russia; 12 Democrats face off tonight in crucial Ohio debate; Warren preps for first debate since becoming a front-runner; Hours away from twelve Democratic candidates taking the stage;

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