Tuesday night it was Katie Couric on the Late Show with David Letterman. Last night Rachel Maddow was on the Tonight Show with Conan O’Brien. Corporate synergy at its finest.

While Couric revealed she was once asked out by Michael Jackson, and other stuff, Maddow talked about Pres. Obama’s choice of brew for tonight’s White House beer summit, and other stuff.

Maddow is below and after the jump, Couric’s behind the scenes YouTube video at the Late Show…

Meanwhile, CNN’s Anderson Cooper is filling in for Regis this week (no corporate synergy there) and he’s ruffled some feathers after asking the Bachelorette about her sex life…