What’s more, the cost of the project has soared up to $600 million, according to that summary. Half of that amount, around $300 million, would come from taxpayer sources. The total projected cost for Trump’s ballroom is more than three times higher than the initial $200 million estimate provided by the administration last summer.

The Justice Department is asking a federal appeals court to let President Donald Trump continue building his planned White House ballroom, arguing that a thwarted attack on Trump’s recent Ultimate Fig...