The trade war that the Democratic Congress is inviting

Canadian unions are urging retaliation against a Buy America provision:

Two of Canada’s largest unions are urging the federal government to adopt a Buy Canadian policy similar to the proposal that has been criticized in the United States.

The Europeans and the Chinese haven’t kicked in yet. President Obama and the Democrats in Congress are standing at the edge of a precipice, trying to decide whether to jump and further damage our economy.

H/T Greg Mankiw.