"Well, with middle-aged women, it gets easier to put it on and harder to take it off." At the ripe not-so-old age of 34, Betty (Draper) Francis is sitting in her doctor's office facing two of her worst nightmares -- she's "old" and "fat." Last night's episode of "Mad Men" brought Betty back into the spotlight after she was noticeably left out of the season premiere. And though her storyline included a cancer scare and an almost-touching phone call with ex-husband Don, all anyone could talk about...