3 things for Wednesday, Chicago:
MAYOR'S 'ARMAGEDDON.' Carol Marin says Rahm Emanuel picked this fight with Chicago's teachers. Did he? Consider a 2011 year-in-review piece from December 2011.
* Emanuel: Nickelback values are not Chicago values
REAL BIDEN, ONION BIDEN. Can you tell the difference between the real thing and The Onion's version? (Thanks, @bmeyerson.)
* Obama back on Letterman's show next week
NEWSPAPERS' PROBLEM? Lousy headlines, according to Conor Friedersdorf in The Atlantic. For years, I've been trying to help.
Inflict this blog on a friend.