My general evaluation of everything/everybody involved in that Great Blob inside the Beltway is to consider them hostiles until clearly demonstrated otherwise by frequent and consistent action.
Haven't noticed that particular individual do much over the past four years but talk and even that is so inconsistent as to be meaningless.
Meh.
#BugsGottaEatToo
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Dershowitz made a very meaningful contribution to the Trump impeachment defense.
Of course POTUS was never going to be convicted in the Senate; but, I am sure that on balance Dershowitz helped in swaying public opinion the President's way with his testimony, on Constitutional grounds, AGAINST conviction.