Rep. Darrell Issa (R-Calif.) has issued hundreds of requests for information. (Carolyn Kaster/Associated Press)

But... surprise, surprise, not everyone’s thrilled with all that bothersome probing. “Administration officials provided a list of dozens of oversight panel requests that appear to have fallen flat,” O’Keefe reports, and some say there’s more show than substance at play in the committee’s work.

Elsewhere, our colleague Dana Milbank discovers that former senator Rick Santorum (R-Pa.) sees Nazis around every corner.

And President Obama might not want to quit his day job, but he acquitted himself pretty well when he crooned along with blues legends Buddy Guy and B.B. King at a White House concert Tuesday night, singing a few lines of “Sweet Home Chicago.”

Here’s our favorite quote of the day: “I’m against very wealthy people attempting to or influencing elections,” casino mogul Sheldon Adelson, who is funding a pro-Gingrich super PAC, said in an interview published this week in Forbes magazine. “But as long as it’s doable, I’m going to do it.”

That’s from a story Wednesday by our colleagues Dan Eggen and T.W. Farnam, examining the uber-rich donors bankrolling — and influencing — the GOP race.

And here’s a politically connected book almost certain not to cause controversy: Astronaut Mark Kelly, husband of former U.S. Rep. Gabrielle Giffords, signed a deal with Simon & Schuster for a children’s book titled “Mousetronaut: A Partially True Story,” which tells the story space travelling mouse.