she was the queen of delray. this week marks ten years as the unsolved murder of nancy dunning. i talked to her son and niece about their hopes for the ongoing investigation. >>> the newest edition to the volkswagen family. this is the xl-1. i'm david culver in herndon. coming up, we are going take the most fuel efficient car on the planet for a spin. >>> ooh, the xl-1. say degrees after a high of 56. the warmest day in ten days. we'll talk about the roller coaster, we go way up, then crashing down in time for the weekend. i'll show you how it goes, next. >>> right now, a car called the most fuel efficient in the world parked outside volks waggen's headquarters. >> it looks hot, too. david culver checked out the new xl-1 and explains it koub a sign of what's to come. >> reporter: volkswagen employees couldn't help but quauk. we get to bring you up close. a lot of hype around this car, why? >> we only have three in the country. there are 250 worldwide. they are available for sale in europe. we are not selling them in the u.s. it is the most aerodynamic car in the world and fuel e

. >> host: sally in delray beach, florida, you've been very patient.you're on with christina hoff sommers. >> caller: yes, hello. pleasure to speak with you. my daughter was a ph.d. graduate in psych from clark, she probably took some of your courses, and my question to you is don't you believe that gloria steinem and the rest had sent a message to the males in our society that they were less because we wanted to be more? thank you. >> guest: well, remember -- i'm not sure stein them in said this, it may be an urban legend, but it's always attributed to her that women need men like a fish needs a bicycle. we don't need you. and she once wrote in her book on self-esteem, she said, you know, the most dangerous woman -- the most dangerous man in your life is, you know, your husband sitting next to you on the couch in the living room. >> she depicted men as predators and made it seem as though women were just fighting for their lives in this society. and she was just too credulous when it came to advocacy research and false statistics and paranoid theories