Clear to me at least, once conviction for impeachment became a very believable outcome, Nixon bailed. Clinton, OTOH, was always aware of how the vote was shaping up and concluded (correctly) the 'pubs were over playing their hand and rode it out.
Trump won't follow either tack, IMO, but I am less sure what his strategerie would be.
Trump won't follow either tack, IMO, but I am less sure what his strategerie would be.
The granting of a pardon is an imputation of guilt, and the acceptance a confession of it.