Press Secretary Sarah Huckabee Sanders has praised House Republicans for stripping the Iowa lawmaker of his committee assignments.
The vice president, one of the administration's most visible emissaries in the shutdown fight, has been repeatedly undermined by his boss.
With no end to the government shutdown in sight, the president aims to plead his case for wall funding directly to the American people.
Containing foreign influence has become a hot-button issue in Baghdad, and the president's trip has provoked vociferous backlash.
"Arguably you sold your country out," the judge tells the ex-national security adviser, raising the prospect of prison for lying to the FBI.
Press secretary Sarah Huckabee Sanders tells reporters that there are "other ways" to secure the $5 billion the administration is seeking.
Journalists must only ask a single question, with no follow-ups, or risk having their passes suspended like CNN's Jim Acosta.
CNN has requested an emergency hearing amid news that the Trump administration plans to take new punitive action against its correspondent.
A U.S. District Court has ordered the White House correspondent's press pass be reinstated following a federal lawsuit.