But perhaps McCaskill gained some age-old wisdom in the days leading up to her “bad” birthday. When asked again Tuesday about being the birthday girl, she declared cheerfully, “Now tomorrow I’m turning 60, I plan on drinking a beer tonight. I'll be on Air Force One.”

President Obama was slated to fly to the Show-Me State to deliver a series of speeches Wednesday on the economy.

McCaskill added, “Nothing like turning 60 on the President's airplane!”

-Alexandar Resnak and Brina Chu contributed.