 Boomers are already retiring, so they're not contributing anymore to their nest egg, and instead they're drawing down their 401ks, as they should. And then at the same time, Gen X is approaching retirement, so they're more aggressively saving, you know, because retirement's around the corner now. So it's kind of two things driving that. Medora Lee at USA Today says Gen X may be better off, but do they have enough to retire?