CHICAGO -- Abby Lovett's friends would die laughing if they heard her. Here she is in her office at a Chicago advertising agency, the place she spends many a night and weekend, loudly proclaiming that people in her generation need to work less than their baby-boomer parents have. Sure, she's putting in more than 50 hours a week to establish her career. But in her heart, Miss Lovett knows she'll end up miserable if she doesn't eventually find a little balance. To her and many other young adults, "having it all" quickly is becoming a myth, not the mantra it...
