Boston politics has always been ‘machine politics’–where power is centralized, consolidated, and tightly controlled in the hands of a few, ostensibly for the benefit of ‘the many.’ Unfortunately, whoever happens to be wielding power understands ‘the many’ as mostly class- and color-coded. Every four years, however, the concept of ‘the many’ is really encouraged to breathe–to find its broadest possible expanse; to stretch to embrace and accommodate, in fact, enough of the voting public. This is when those who wield power loosen the reigns long enough so some of the rainwater trickles down to the grassroots. And like art, water is life. And so it is that today Martin J. Walsh ‘s campaign signs have papered over Mattapan Square with ‘walking around money.’ Curiously though, the racially-displaced (’cause they ain’t from ’round here), candy-sucking panhandlers were no where to be found today . And in case you missed it, Ma...