Impeachment haunts Trumpland... Never before has an American leader so quickly faced such credible, widespread calls for his removal... - Laurence Tribe

[T]hese models are not... mutually exclusive... discourse in any given period can... draw on... more than one model. ...Their main function is . ...[T]he models ...grow out of immersion in judicial decisions and lawyers' arguments ...[T]hey should be ...familiar themes ...

[M]any of the most important Supreme Court decisions take the form of holding that a particular limit either has not been exceeded or, more fundamentally, that the asserted limit is not in fact part of the Constitution at all.

[W]e’re skeptical that so-called "impeachment precedent" commands deference apart from its power to persuade future generations. Congress isn’t bound by its own prior decisions.