Her chances of success, however, are in doubt because House Democratic leadership pledged Tuesday to rescue Johnson from such a “motion to vacate” by attempting to kill it before it can gain any traction.

Republican Representative Marjorie Taylor Greene, a conservative firebrand, Wednesday on Wednesday called for a vote to oust Republican Mike Johnson as speaker of the U.S. House of Representatives, a move that could embroil their party in chaos months before the November election.