Living in Canada and not paying as much in taxes is a privilege that many Americans enjoy -- or is it? Legally, the Internal Revenue Service (IRS) can collect taxes on US citizens no matter where they permanently reside. Even dual citizens or those who have lived in Canada for many years are subject to some IRS rules, some CRA rules, and the Canada-US Tax Treaty. Recently, the IRS has been cracking down and collecting taxes from its citizens who live...