[1] Baker also coached cross country running and track and field at a local high school until he was elected county commissioner in 2006.

[8] On July 12, 2015, Baker announced that he would run for the United States House of Representatives in Maryland's 6th congressional district, challenging incumbent John Delaney.

[2][9] Baker finished second to Amie Hoeber, a former United States Secretary of the Army deputy under President Ronald Reagan, in the Republican primary election, receiving 23.1 percent of the vote.

[13] She was granted a temporary protective order, but she withdrew her petition on July 26 after she and her husband negotiated a separation agreement.

[17][18] Baker opposed the Common Core State Standards, saying that they "should be a decision made by parents and teachers, if they want it in their schools or not.

During the 2023 legislative session, he opposed a bill creating a 2024 referendum to codify Roe v. Wade into the Constitution of Maryland.