Little Heroes: Faith Murray just keeps swimming

Little Heroes: Faith Murray just keeps swimming
Over the years, we've met some extraordinary kids through the Little Heroes, and this week we're going to meet another one. She's been through a heck of lot in her life -- she has a disease so rare that they don't even bother to do research on it.

Yet she doesn't lose faith. In fact, that's her name, and she's this week's "Little Hero."