A good satirist needs to be one step more ridiculous than reality. The problem is that reality is a moving target. James Taranto writes in his WSJ newsletter Best of the Web:

We were only kidding last week when we headlined an item "Bring Back HUAC." The reference was to the House Committee on Un-American Activities, disbanded in 1975, and we were poking fun at the tendency of today's liberals to label anyone who disagrees with them "un-American." In the case of the Ground Zero mosque, that would mean the vast majority of Americans are un-American.

Speaker Nancy Pelosi, however, seems to have taken our little joke seriously. Politico reports that "Pelosi on Tuesday said she supports an investigation of groups opposing the building of a mosque near ground zero in New York":