"Although most of the real GDP lost during the fourth quarter of 2018 and the first quarter of 2019 will eventually be recovered, CBO estimates that about $3 billion will not be," the CBO wrote in a new report issued on Monday.
While the White House disputed the CBO's economic assertion, Democrats grabbed on to it.
"Not only did the #TrumpShutdown inflict needless pain on 800,000 federal workers, it also dealt an irreparable blow to the nation's economy," tweeted Rep. Norma Torres (D-CA).
"These are the economic consequences of shuttering the government for 35 days, and we cannot let the President do it again," said Sen. Chris Coons (D-DE).
"This should never happen again because of a policy difference," said Rep. Donna Shalala (D-FL).
The timing of the President's speech on February 5 - 10 days before the next funding deadline of February 15 - will give Mr. Trump the chance to set out his goals for a border funding deal, as official House-Senate negotiations are set to begin on Wednesday.