Trump pushed his Party to get rid of the Senate rule that requires 60 votes to overcome objections and gives the minority Democrats a check on GOP power. The government shutdown is now in its 31st day.

The filibuster is the Senate rule for agreement by 60 of its 100 members to pass most legislation.

“With others doing testing, I think it’s appropriate that we do also,” he told reporters after departing South Korea to return to the U.S.