Retiring to the sofa after turkey dinner tomorrow, most Americans may feel they have little in common with the Pilgrims of Plymouth Rock. But one defining feature of 17th-century Americans remains: We still migrate for freedom. American mobility is legendary and the notion that it is driven by a desire for liberty is the basis for the methodology behind the Pacific Research Institute's U.S. Economic Freedom Index released last week. Kansas is America's freest state while New York -- home of the Statue of Liberty -- ranks at the bottom. The Index uses five categories -- fiscal, regulatory, judicial, government...
