Over a decade, apparently more than half: http://http://townhall.com/columnists/thomassowell/2007/11/27/that_top_one_percent http://http://townhall.com/columni

Over a decade, apparently more than half: http://http://townhall.com/columnists/thomassowell/2007/11/27/that_top_one_percent http://http://townhall.com/columnists/thomassowell/2007/11/2...