James Alex Fields, the Ohio white supremacist serving a life sentence in prison for the deadly car ramming at the 2017 "Unite the Right" tragedy in Charlottesville, Virginia, is now accused of a series of misconduct at the federal prison in Springfield, Missouri. Fields is accused of making threats against at least one correctional officer and of wielding a "dangerous weapon," according to prison records and a U.S. Justice Department filing reviewed by CBS News. Fields pleaded guilty to a series of federal hate crimes charges in the deadly August 2017 car attack against counterdemonstrators in Charlottesville, which killed 32-year-old...