A simple taxonomy of the different blogs out there in the public sphere. Annotator and Pointer: InstaPundit, Atrios, Drudge Thoughtful Response: Mark Schmitt, Talking Points Memo, PowerLine, Captain’s Quarters Secret Expertise: Brad DeLong, Mystery Pollster Pot-Stirrer: Michelle Malkin, DailyKOS Omnivorous Essayist: Dynamist, Redeeming Hope, Think Again (Stanley Fish), Bitch Ph.D. Newsroom Bullpen: The Corner, TAPped,…