A Republican won a deep-blue Northern Virginia county-level seat in a major upset Tuesday after revelations that her Democratic opponent made racist social media posts more than 10 years ago. Republican Jeannie LaCroix, 64, won a special election for a Prince William County Board of Supervisors seat defeating Democratic nominee Muhammed Sufiyan Casim, 36, a Muslim Pakistani immigrant, who in the 2010s made a series of online posts containing racist, misogynist and antisemitic content, Potomac Local News reported. Casim, who was in his 20s when he posted the content, apologized for the posts in an interview with the Prince William...