a. Lamar Alexander hits the polls early, votes for Romney.
b. The National Review wants Santorum to exercise more judgment.
c. Krugman calls Romney an closet Keynesian.
d. The Obama machinery is rusty.
e. Pro-Romney Super PAC hammers Santorum in new ad.
f. Judging the moderators.
McKay Coppins snaps a pic of Mitt arriving at a restaurant called "The Mitt" today.