By Quentin Fottrell The Great Recession is officially over, but Americans are still 40% poorer today than they were in 2007, the year before the global financial crisis. The net worth of American families — the difference between the values of their assets, including homes and investments, and liabilities — fell to $81,400 in 2013, down slightly from $82,300 in 2010, but a long way off the[...]