Will Senate GOP blocking new witnesses in Trump trial cost votes?

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The Donald Trump impeachment trial in the Senate is being questioned for its validity, if the Senate GOP won’t allow new witnesses, according to legal expert and MSNBC analyst Benjamin Wittes. Wittes tells Joy Reid, ‘People in states with these senators... need to think about whether they feel okay about [them proudly saying] it's time to proceed to a fateful decision on a national security matter with ignorance.’