Because Uncle Pat said it, and said it WELL! In his latest column -- which is available all over the web -- Pat Buchanan asks, "Is America Coming Apart?" After pointing out some obvious issues where the American people are polarized (abortion, gay marriage, etc.), Buchanan delves into an amateurish dissertation about what makes a nation. Predictably, Buchanan's argument quickly becomes about race and heritage. In Buchanan's mind, a nation must be unified by "common ancestry, faith, culture and language," as well as "the same God." He goes on to imply that Mexican-Americans who celebrate Cinco de Mayo aren't really Americans at all: In what sense are we one nation and one people anymore? For what is a nation if not a people of a common ancestry, faith, culture and language, who worship the same God, revere the same heroes, cherish the same history, celebrate the same holidays, and share the same music, poetry, art and literature? Yet, today,...