Jennifer Aniston On 30 Rock: "Staunchly In Favor Of Cocoa Puffs"

Jennifer "Angelina's Uncool" Aniston guest starred on last night's 30 Rock » 11/14/08 12:00pm 11/14/08 12:00pm, and we're not going to lie: this was not our favorite episode. Aniston played Claire Harper, Liz and Jenna's "crazy" old roommate from Chicago who, according to Liz, uses sex to "suck men in and bleed them dry." Claire sinks her claws into Liz's…