A national civil rights leader is calling on Nevada to investigate a prominent Las Vegas businessman and Republican donor following allegations he repeatedly used racial slurs in the workplace and once pulled a gun on a Black truck driver. The Rev. Al Sharpton wrote a letter to Nevada Attorney General Aaron Ford calling for an investigation into Don Ahern, who made his name and fortune as a construction equipment tycoon and has become a prominent supporter of former President Donald Trump and other GOP candidates, including congressional hopeful John Lee. Sharpton’s call for an investigation, first reported by The Hill...