The sixth borough

Oh, wait, that's Philadelphia. So maybe it should be "The seventh borough." In any case, Phillip McCarthy reports spotting his second NYC taxi cab in the Boston area today, near the Fresh Pond Mall (with photographic proof):

... Between the NYPD Impala that drove by me in Central Square a few weeks ago and the other yellow cab I spotted in Harvard Square, I'm starting to wonder if Mayor Bloomberg is quietly annexing his old stomping grounds.