Doonesbury: Equal Opportunity Slamming?

Doonesbury, the well-known cartoon by G. B. Trudeau, annoyed me often during the past eight years with its sometimes-vicious insults of President Bush.

Apparently Mr. Trudeau, unlike most of the MSM, does not give the current president the cult-like obeisance they do, as evidenced by this cartoon from Sept. 27 (click on it to view it at full size):

Drawing parallels between Nazis and Obama? I guess this gives him credibility when he claims he slams both political parties.