DAYTONA BEACH, Fla. (Dec. 3, 2013) -- Jimmie Johnson's four-day, Las Vegas whirlwind odyssey has begun. in Las Vegas officially is underway. champion's rounds of Las Vegas media outlets began early Tuesday with interviews with a pair of top-rated rock and country music radio stations; Johnson also participated in a Q&A session at the 2013 NASCAR Motorsports Marketing Forum and then visited the iconic "Welcome to Las Vegas" sign at the south end of the famed Las Vegas Strip where he signed autographs for waiting fans. More...