Thomas Gunton: Trans Mountain pipeline is not needed

The prime minister’s announcement that he will subsidize the Trans Mountain Pipeline expansion project has added a new and disconcerting dimension to the pipeline debate. 
The question is: Why should taxpayer funds be used to support a U.S. pipeline company that is putting B.C.’s coast at risk when there are Canadian pipeline companies capable of transporting Alberta oil to market without risking B.C.’s coast and without requiring any subsidy?
To understand how we got to t