On June 15, Prime Minister Harper and Governor Snyder agreed to build a publicly owned bridge between Windsor and Detroit. Fully one quarter of Canada-U.S. trade in goods crosses here, making it the most important bridge crossing in the world. If Michigan votes for Proposal 6, this bridge could be stopped. The rationale for this bridge is clear. It saw more than $120 billion worth of trade cross over it in 2011. This is fully one quarter of Canada-U.S. trade in goods, making it the most important bridge crossing in the world. There have been a number of misleading advertisements about the bridge and its costs -- here are the facts: