CHICAGO -- Tracy Tedesco is smart -- she spent 20 years as a corporate recruiter. She's funny -- most professional comedians are, or at least should be. She's hot -- and she knows it. At 41, Chicago comedian Tracy Tedesco is beating back guys in their 20s like she was giving away Xboxes. Tedesco is the definition of an "urban cougar." The label used to be an unflattering characterization of middle-aged, boy-hungry single women. But as more women shed the traditional taboos about age and dating, the name has been taken on as a badge of empowerment by sexy, older...