"Under the Pentastar" is a weekly recap of some of the stories at Chrysler Group. This week's stories include Fiat brand leading the way as Chrysler Group releases its sales figures for October 2012; Mopar playing a major role in the annual SEMA show in Las Vegas; and National Hot Rod Association (NHRA) Pro Stock Driver Allen Johnson is on the brink of achieving a 17-year dream -- winning a championship.