"Under the Pentastar" is a weekly recap of some of the stories at Chrysler Group. This week's stories includes remarks by Sergio Marchionne at the Chrysler Group Dealer Announcement Show in Las Vegas, the unveiling of a 'John Varvatos' special edition Chrysler 300 and a look at the SRT Viper on the track along with comments from SRT President and CEO Ralph Gilles.