Markwayne Mullin

Senator from Oklahoma

Markwayne Mullin, Senator from Oklahoma, voted to cut taxes and clean energy incentives while canceling some spending, and to cancel federal vehicle and oil-and-gas emission rules. He wrote bills on cancer, brain injury and prescription programs, backed tribal police and land claims, and supported stricter fentanyl classification and testing.

Voted on 683 of 723 roll calls this Congress. Wrote 23 bills and resolutions; of the 19 bills, 1 passed a chamber and 1 became law. Cosponsored 157 bills.