Barnette, a conservative commentator in the Trump style who has a history of incendiary remarks and has amplified the former president’s stolen-election lie. Ms. Barnette, the author of “Nothing to Lose, Everything to Gain: Being Black and Conservative in America,” left Alabama after graduating from college, and has been living in Pennsylvania for eight years, according to her campaign manager. She and her husband, Carl, own a four-bedroom home in Huntingdon Valley, a Philadelphia suburb, according to property records. For six years, she said, she home-schooled her son and daughter while appearing as a conservative commentator on “Fox & Friends.” The Barnettes have also owned property in Texas, property records show, and her book biography on Amazon indicates that she has lived in Virginia.In the 1990s, she spent seven years in the Army National Guard and the Army Reserve, attaining the rank of specialist, said Madison Bonzo, a U.S. Army spokeswoman. She earned a degree in finance from Troy State University in Alabama in 1997, according to the school, making her the first person in her family to graduate from college. She went on to get an M.B.A. from Fontbonne University in Missouri. She has been a registered Republican since at least 2015. Her first time running for office, in 2020, was a flop. She lost a House race by 19 percentage points to the Democratic incumbent, Representative Madeleine Dean.