PBS’s white-hot British import Downton Abbey , nominated this year for 16 Emmy Awards, is now a bona-fide cultural phenomenon—with its own spoofs. From Jimmy Fallon’s "Downton Sixbey" to the Mean Girls - Downton mash-up, I take on the six best. Over at The Daily Beast, you can read my latest feature "6 Best Spoof Videos of the Emmy Nominated Period Drama Downton Abbey ," in which I take a look at the six best Downton Abbey video spoofs and discuss the swirling pop culture influence of the period drama. While devotees of costume dramas instantly fell under the spell of Downton Abbey when it first premiered in the U.S. in January 2011 on PBS’s Masterpiece Classic, it took a second season for it to truly permeate popular culture. Nominated for 16 Emmy Awards this year—including Best Drama, Best Actress in a Drama, Best Actor in a Drama, Best Supporting Actor, Best Supporting Actress, and seemingly a billion others—Downton Abbey has become deeply entrenched...