Canada doesn’t often get mentioned in political debates in the United States, but our northern neighbor had a cameo in the vice presidential debate, cited as a bastion of low taxes. Seeking to draw a contrast with the tax policies of President Barack Obama, Paul Ryan, a Wisconsin native, said, "Where I come from, overseas, which is Lake Superior — the Canadians — they drop their tax rates to 15 percent. The average tax rate on businesses in the industrialized world is 25 percent." We wondered whether Canada was really as much of ...