Like a Vegas acrobat. Photo: Kevin Winter/TAS24/Getty Images Four years ago, on The Tonight Show Starring Jimmy Fallon , Taylor Swift asked herself very important question: “Can I hint at something three years in advance?” Ever since, that question has plagued the minds of Swifties everywhere. Is Swift just wearing an outfit, or is she hinting at a new album? Is this just a fun music video or subliminal mind prep for an upcoming era? Easter Eggs to Taylor Swift are what Hidden Mickeys are to