The third moment was 1998, the year of the presidential impeachment.

And none previously has had to face the issue in the special context of a Presidential impeachment.

Still, these two cases of Presidential impeachment, 130 years apart, show how potent the regional political divide can be.

This act enraged Johnson's political enemies and set in motion the first presidential impeachment.

Any presidential impeachment will go through this committee.

No act touches more fundamental questions of constitutional government than does the process of Presidential impeachment.

Presidential impeachment is thus a matter of incomparable gravity.

He has the Presidential impeachment he sought from the House.

Now that the Senate trial is at an end, it seems as if every century should have at least one Presidential impeachment trial.

Presidential impeachment is thus an "awful step."