Just last week, House Republicans approved an amendment to a spending bill that would designate the Kennedy Center’s Opera House as the “First Lady Melania Trump Opera House.” Rep. Mike Simpson (R-Idaho) introduced the amendment, which passed the Appropriations Committee by a vote of 33–25.

From the outset, the Kennedy Center had bipartisan backing, with its board membership consisting of both Republican and Democratic appointees. Until Trump’s recent intervention . RFK Jr. should ...