Walsh suggests City Hall changes may underlie probe report

BOSTON – Mayor Marty Walsh has spent much of the past few days fending off an attack from foes he cannot see: Specifically, unnamed sources who reportedly claim that federal investigators captured Walsh, then a trade union leader in Boston, on a wiretap saying a developer would face permitting problems in the city if it didn't hire union workers for another project in Somerville.   "I would never say something like that – even when I ran the Building Trades five years ago – that was just not my

BOSTON – Mayor Marty Walsh has spent much of the past few days fending off an attack from foes he cannot see: Specifically, unnamed sources who reportedly claim that federal investigators captured Walsh, then a trade union leader in Boston, on a wiretap saying a developer would face permitting problems in the city if it didn't hire union workers for another project in Somerville.   "I would never say something like that – even when I ran the Building Trades five years ago – that was just not my…