What Is the Meaning of Is?

Recent events in the political arena have highlighted what can be safely said to be a continuous ready-made fodder for humorists and columnists. Jay Leno, David Letterman, Maureen Dowd and other commentators on the human situation must thank the stars every day for the likes of Sen. Craig, Rep. Vitter and Rudy Guiliani's wife and her cell phone, not to mention Rudy himself. A virtual treasure trove of such incidents guarantees them a job for life. I guess whether or not someone would consider whether anyone of these events is or is not funny would depend upon what one's definition of 'is' is.