To all my fellow fried rice fiends—oops, I mean friends—Benihana has declared September 20th National Fried Rice Day! To commemorate the new holiday, Benihana’s own, Chef Raymundo Mendez, will cook the signature dish for 42 consecutive hours in an attempt to set a Guinness World Record. The celebration kicks off Tuesday at Benihana’s flagship location in the John Hancock Center and culminates on Thursday, National…