House Speaker Nancy Pelosi says Trump should reschedule the speech if the government is still shut down come January 29. White House reporter Nancy Cook, congressional reporter Sarah Ferris and senior politics editor Charlie Mahtesian join to explain how the move might be less about security concerns and more of a sign of acrimony between president Trump and the democrats. Plus national political reporter Natasha Korecki, who spent some time following Elizabeth Warren around Iowa, joins the Nerdcast to explain what's going on the ground in Iowa and with democratic voters as the 2020 race gears up.

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