Charges in Virginia against the prominent Trump critics were thrown out last year after a court ruled the U.S. attorney overseeing them had been appointed illegally.
The pending transfer of the 2,000-pound munition, involved in scores of incidents resulting in civilian casualties, sets up a potential litmus test for Democrats.
White House staff pre-select which reporters to call on at press briefings — a common practice that President Trump has criticized Joe Biden for in the past.