Congressional Republicans are moving forward with legislation to fund a proposed White House ballroom, even as a legal battle over the project continues. The National Trust for Historic Preservation has declined to withdraw its lawsuit against the $400 million proposal, rejecting a request from the Department of Justice to drop the case.

GOP senators introduced a bill that would provide federal funding for the ballroom construction, framing the project as a necessary upgrade to White House facilities. The legislation comes amid renewed attention to White House event security following a shooting at the White House Correspondents' Dinner.

Preservationists argue the project would cause irreversible damage to the historic character of the White House grounds and have indicated they intend to press their legal challenge regardless of political pressure. The DOJ's request that the group stand down was refused, setting the stage for continued litigation even as Congress considers appropriating funds.

The shooting at the WHCD has become intertwined with the ballroom debate, with some lawmakers citing security and logistical concerns about holding large press events off-site as a reason to provide a dedicated White House venue. Critics of the project contend that security concerns should not be used to justify bypassing historic preservation laws.

The dual tracks of congressional action and ongoing litigation mean the project faces significant uncertainty. Whether federal funding would be appropriated before courts rule on the preservation lawsuit remains unclear, and advocates on both sides are preparing for a prolonged fight over the future of the proposed venue.