Authorities in Alabama are investigating how white supremacist messages appeared on a digital road sign along a highway busy with Memorial Day traffic. Motorists on Interstate 65 near Clanton called state troopers at lunchtime on Monday to report the words “Patriot Front” and “reclaim America” were flashing on an electronic sign, interspersed with messages warning of an upcoming roadwork zone, AL.com reported. According to the Southern Poverty Law Center (SPLC), the Patriot Front is a violent white nationalist hate group that propounds the racist great replacement theory of white Americans and Europeans being supplanted by immigrants. John McWilliams, the regional...