"Bush Administration Lightbulb Jokes" joke

Q. How many Glenn Hubbards does it take to change a lightbulb?
A. None. It is not necessary to change the lightbulb. There is no evidence that visibility moves in lockstep with new lightbulb installation.

Q. How many Larry Lindseys does it take to change a lightbulb?
A. None. All you need to do is open the refrigerator door.

Q. How many John Snows does it take to change a lightbulb?
A. The problem is which John Snow. The one who thought we needed to conserve electricity, or the one who thinks that electrical power is limitless.

Q. How many Karl Roves does it take to change a lightbulb?
A. Karl Rove ain't changin no lightbulb. You're changing the bulb, bub, and if you don't he'll fuck you frontways, sideways, upside down, and your career at Princeton will be over.