Trump could be forced to halt work on $400m White House ballroom

“The process for the selection and siting of the triumphal arch has been horrifically flawed from the outset,” wrote Charles Birnbaum, the foundation’s president.

“Remarkably there was no design competition, which is a dangerous and radical decision for what would be the second largest monument in the Monumental Core after the Washington Monument. It also flies in the face of decades of established and respected precedent.”