BUSINESS
07/05/2013 10:30 am ET Updated Sep 04, 2013

Paul Krugman: Here's 1 Thing That Hasn't Changed Since 1776

It's that time of year -- the long weekend when we gather with friends and family to celebrate hot dogs, potato salad and, yes, the founding of our nation. And it's also a time for some of us to wax a bit philosophical, to wonder what, exactly, we're celebrating.

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