The president has ordered the last-minute transformation of the traditional July 4 activities into what he calls “a celebration of America” and that critics call a celebration of Donald J. Trump.
The president contradicted statements by his Justice and Commerce Departments that census forms were being printed without the question and they would heed a court ruling.
Democrats have expressed concern that President Trump may have intervened to keep the land from being redeveloped into a project that would compete with his nearby hotel.
A Department of Homeland Security inspector general’s report detailed overcrowding and children without showers or hot meals as lawmakers demanded answers.
Lawmakers are escalating a fight by moving the dispute into the federal courts, which will probably determine whether the president’s tax returns will be seen by Congress and the public.
Mr. Sanders’s fund-raising has slowed since he began his campaign, though his second-quarter total is still likely to be among the largest in the field.