Tina Fey, Will Ferrell, And An Emboldened HuffPo Blogger Enliven Thursday 'SNL'Returning alumni Will Ferrell (as George W. Bush) and Tina Fey turned last night's Thursday edition of Saturday Night Live into a veritable class reunion, but one other notable name returned behind the scenes: Ferrell's frequent collaborator Adam McKay. Little over a month ago, McKay (Step Brothers, Anchorman) lit up the left with a sky-is-falling Huffington Post blog entitled "We're Gonna Frickin' Lose This Thing," but to judge from the opening sketch he co-wrote, he now finds the Republican ticket about as threatening as a Jackie Mason PSA. The clip, after the jump:Click to view