Should the Biden administration prosecute Trump?

President-elect Joe Biden will face enormous decisions on how to move the country forward when he takes office on Jan. 20. One of the most significant, and likely contentious, choices will be whether his administration should open criminal investigations into President Trump.

For the past four years, Trump has been shielded from prosecution by the office of the presidency, but those protections go away once he becomes a civilian again. In addition to an existing investigation into potential financial crimes in New York City, legal experts see a number of...