Kid Rock, a popular vulgar rock-rapper whose lyrics wouldn't begin to pass muster with the Federal Communications Commission, is headlining the youth concert during the inauguration festivities for President Bush – a politician who was re-elected largely due to the participation of traditional "values voters." The Detroit-based rapper, who dedicated his first album to songs about oral sex and who was voted the Sluttiest Male Celebrity at the 1999 MTV Video Music Awards, will perform Jan. 18 at the Washington, D.C., Armory in a concert hosted by Bush daughters Jenna and Barbara. Teenage singer JoJo also will appear at the...