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Jeff Grenfield explains how the Iowa caucus goes wrong.
Evan Herrnstadt explains how Iowa controls the world.
Michael Moore has written a letter to his readers, saying he is endorsing... no one yet. No surprise, there. He liked Dr. Howard Dean last cycle, and we all know how that turned out. Moore's just happy that "W" will be outta there.
Update: Read Joe Gandalman's round-up and Doug Masson's assessment. David Brooks thinks there were two earthquakes, not one.