Where a disparate impact is shown, the plaintiff can prevail without the necessity of showing intentional discrimination unless the defendant employer demonstrates that the practice or policy in question has a demonstrable relationship to the requirements of the job in question.
The Chief Justice only presides at presidential impeachment trials and will serve as our example to illustrate the process. In non-presidential impeachment trials, the Vice President or Senate pro tempore (temporary president of the Senate) presides at the trial.
The chief justice presides over the impeachment trial of the Vice President of the United States. if the Vice President is serving as Acting President (a Senate rule, not provided for by the U.S. Constitution). The chief justice swears in the President of the United States at inaugurations.