Monica Potter's close call with her 'Parenthood' cancer story

Monica Potter, who plays Kristina Braverman on NBC's sleeper hit "Parenthood" (just renewed for a fifth season), had an emotional story about breast cancer this past season that had multitudes of fans clinging to boxes of Kleenex. And while it's not new territory for television (Kim Catrall on "Sex and the City" and Candice Bergen in "Murphy Brown" came before), it was nonetheless a journey of discovery for Kristina -- and Potter herself. "I now know so much better what so many other women have ...