Lisa's Date with Density a child from Josh Weinstein's school days who everyday would get onto the bus with a piece of toast, which had Vaseline on it. A majority of the story is a reference to the film "Rebel Without a Cause". Lisa remarks that Nelson is "like a riddle wrapped in an enigma wrapped in a vest", a reference to "a riddle wrapped in a mystery inside an enigma"; this was Winston Churchill's opinion of Russia at the outbreak of the World War II. In its original broadcast, "Lisa's Date with Density" finished 63rd in ratings for the week of December 9–15,
Mark E. Kalmansohn riddle wrapped in a mystery inside an enigma.'" At the 2007 Trump Invitational Golf Classic in Rancho Palos Verdes, California, Kalmansohn donated a signed first edition of "Nothing Is Too Late" for auction; proceeds benefited the Salvation Army's educational programs for youth at risk. He currently remains engaged in a number of charitable causes and programs, including several which provide assistance to victims of war, violence, oppression or discrimination, both here and abroad. Mark E. Kalmansohn Mark E. Kalmansohn is the former prosecutor for the United States Department of Justice who hunted down and brought to justice Lucian Ludwig Kozminski,