Analyst Jim Cramer examines Thor Industries Inc. on a recent segment of Mad Money on CNBC. He speaks with President and CEO Bob Martin to get a closer look at the structure and strategy behind the Elkhart, Ind.-based manufacturer which marked its 30th anniversary as a public company Monday (Aug.29) by ringing the closing bell on Wall Street. To view the video click here or scroll to the right side of the RVBUSINESS.com home page.