The impeachment trial could keep senators in D.C. at the height of the campaign. How Warren, Sanders and others plan to survive.

For the duration of the impeachment trial, the five Democratic senators currently running for president — Elizabeth Warren, Bernie Sanders, Amy Klobuchar, Cory Booker and Michael Bennet — won’t be able to campaign in Iowa, New Hampshire or anywhere else. Here's how they plan to handle this make-or-break moment.