chair at the start of the Lightning Round. Cramer's special guests were George David, CEO of United Technologies, and Raymond Milchovich, CEO of Foster Wheeler. The fourth "Back to School" edition was broadcast from Boston College on September 20, 2006. Cramer's special guest on the fourth "Back to School" show was Tim Russert, and his son, Luke Russert, who was a student at Boston College. The fifth "Back to School" edition was broadcast from Georgetown University in Washington, D.C. on September 29, 2006, the final stop for the 2006 leg of the "Mad Money Back to School" college tour. Cramer's special guest was NBC News chief White House correspondent David Gregory. Back to School (2007) The "Mad Money Back to School" college tour resumed on February 7, 2007. The first stop in the 2007 leg of the tour was at the Darden Graduate School of Business Administration at the University of Virginia. Cramer's special guest was Celgene President and Chief Operating Officer (COO), Robert J. Hugin. The second stop in this leg was on March 20, 2007, at the McCombs School of Business at the University of Texas, Austin. Cramer's special guest was William R. Johnson, President, Chairman, and CEO of Heinz. The third stop in this leg was on April 4, 2007, at the Kelley School of Business at Indiana University. The show was actually broadcast from the school's basketball arena, Assembly Hall. Cramer's special guest on the eighth edition was Mark Cuban, owner of the NBA's Dallas Mavericks and a 1981 Indiana University graduate. The fourth stop in this year's tour was on September 7, 2007, at the Marshall School of Business at USC. Cramer's special guest on the ninth "Back to School" edition was Bob Iger, president and CEO of The Walt Disney Company. The fifth stop in this year's tour took place on October 18, 2007, at the Georgia Institute of Technology College of Management located in Atlanta. It was originally scheduled to take place on April 24, 2007, but was postponed and rescheduled, due to the on-campus shooting deaths at Virginia Tech in Blacksburg, Virginia on April 16, 2007. Cramer's special guest on the tenth edition was E. Neville Isdell, CEO of The Coca-Cola Company. Incidentally, Cramer's interview with Isdell was filmed on location at that company's headquarters in Atlanta. This is the first Mad Money to be filmed outdoors and was filmed in the