Tina Fey, arguably the most powerful vagina-having joke force in the universe, has rarely minced words in the past when it comes to some of her lesser-abled collaborators, whether describing Paula Abdul as a "disaster" or Paris Hilton as "a disease-ridden fucktard" [Ed.note: Could we have an intern verify that?] But we never expected the 30 Rock star and showrunner to run off so freely at the mouth about her comedy giant equals, such as in the case of her surprisingly harsh assessment of Jon Stewart's more politically solicitous material: