The coming of Independence Day is an opportunity to assess the American Dream of equal opportunity and middle-class status. Unfortunately, for more than four decades, the middle class has been squeezed. Today, too many hard-working Americans find themselves financially treading water or falling behind. And the increased pressure on the middle class has taken more than a financial toll. According to the nonpartisan Brookings Institution, “Even the physical and mental health of the American middle class is getting progressively worse.”