Under the Pentastar is a quick video recap of significant events at Chrysler Group over the past week. This week's stories include Chrysler Group CEO Sergio Marchionne comments on the company's debt refinancing plan in the second quarter 2011; U. S. Treasury Secretary Timothy Geithner takes a tour of the Jefferson North Assembly Plant in Detroit; Chrysler Group sells all-electric vehicle maker GEM to Polaris Industries, Inc.; and 2011 Dodge Challenger SRT8 392 competes in the Motor Trend Tire Rack One Lap of America competition.