Infamous 2008 nemeses Katie Couric
and Sarah Palin
went head to head on the morning show circuit Tuesday, with Couric filling in on Good Morning America
and Sarah guest hosting Today
with Matt Lauer
(after being interviewed by him one-on-one). Bristol Palin
predicted "a pretty big bump the ratings" for her mom. Was she right? She was. Her mother's presence on yesterday's Today pushed the show's viewership up
from Monday, to 5.5 million ...