Bentley Mulsanne debuts in Boston Dear  reader: Advertising research tells us that “you” are part of a valued readership demographic, one that’s targeted by upscale automobile dealers. Thus, we bring you to the pinnacle of upscale: the 2011 Bentley Mulsanne, the marque’s new flagship vehicle. If you have to ask, the MSRP is $285,000. Bentley [...]