Many, perhaps even most, Republicans in Congress were anti-Trump even after the election. They only changed their outward appearance due to their constituents' approval of Trump's agenda.
Then there are those parts of the country that if congressman/women did not vote to impeach they too risk their political career.
We talk about Washington DC being partisan and divided, but really they are reflecting the nation as a whole. We are no longer divided on policies, we are divided on blind ideology. Everyone to their corner during both House and Senate hearings and again come November.
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