Globe and Mail: NEW WESTMINISTER and KELOWNA — Former NDP premier Mike Harcourt has joined the movement lobbying for a carbon tax in the midst of an election campaign, arguing the tax will be part of the future despite an NDP commitment to kill it if the party wins next Tuesday. Mr. Harcourt, the premier from 1991 to 1996, has signed an op-ed piece published today on globeandmail.com, along with such luminaries as environmentalist David Suzuki, that calls for a carbon tax and cap-and-trade system …