Political humor dominated last night’s Saturday Night Live 38th season opener. Hosted by Seth MacFarlane, creator and voice actor of “Family Guy” and “Ted,” the episode catered to his more pedestrian brand of humor, while also offering audiences more sophisticated fare through its political humor. The “SNL” writing team skewered Clint Eastwood, President Obama and Mitt Romney in equal measure. Here’s a look the episode, in full.