Here, a legendary copper rolling mill's fight for survival underscores what's at stake in the battle over China policy and a free-trade philosophy that's been championed by both political parties.

When Canton Town Meeting said no to rezoning the former Plymouth Rubber site, voters also said no to saving the 200-year-old Paul Revere barn and copper rolling mill.

Bulldozers will knock down buildings at the former Plymouth Rubber factory, but the 200-year-old Paul Revere barn and copper rolling mill will not be among them.