Yes, Tricky Dick was personally involved in a break-in to the opposition political party’s office. His Republican contemporaries persuaded him to resign as President of the USA, because his Petty Criminal involvement really amounted to the “high crimes and misdemeanors” bar of impeachment language.
Compared to Trump’s self-interested actions, Trump’s daily lies, Trump’s continued alignment with Putin, Nixon was someone whose crime was the equivalent of spitting on the sidewalk or urinating in an alley.
Is it really a a violation of national security to have oral sex with an intern? OK, the cigar thing was more than an embarrassment, but no one really thought Clinton had violated the Nation by his sexual addictions and crude behavior.
But Trump?? Who can even begin to imagine that Trump is not guilty of “high crimes and misdemeanors? ” Of course, Trump’s base does not think so. That surprises no one. Trump’s base is as base as is humanly possible.