Thune said Trump’s plan to accept a $400 million jet from Qatar to serve as his command post in the sky remains a “hypothetical,” raising questions about whether the deal will even go through.

U.S. Senate Democratic Leader Chuck Schumer vowed to block all of Trump's nominees to the Justice Department until the agency reports what it knows about Qatar's offer.

Democrats on the Senate Foreign Relations Committee said Trump’s acceptance of the plane would create “a clear conflict of interest, raises serious national security questions, invites foreign influe...