Tuesday, February 2, 2021: First Clues for Trump's Second Impeachment Trial

Both the House Democrats and former president Trump's legal team released pre-trial briefs that provide some clues of how they'll lay out their arguments in Trump's second impeachment trial.

Plus, a Putin critic has been sent to prison after he called the Russian leader "Putin the poisoner."

And President Biden's covid response team announces a key update to how they're shipping the covid vaccine.

On today's program: CNN's Jeff Zeleny, Manu Raju, Clarissa Ward, Fred Pleitgen, and Dr. Sanjay Gupta. Also on the show: CNN Legal Analyst Jennifer Rodgers and Laura Barron-Lopez with POLITICO.

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