The proposed first phase of development at Suffolk Downs - a potential site for Amazon's second headquarters- has progressed through design review and is now headed to approval by the Boston Planning and Development Agency. The first phase would feature two buildings spanning a combined 520,000 square feet near the MBTA Blue Line Suffolk Downs stop. The buildings were praised by both a public commenter as well as the Boston Civic Design Commission as being "an example of very nice and clean...