You believe everything you see on TV?
To this Italian, Christopher Columbus is as Italian as Cannoli!
Well, they did make a persuasive case over why he wasn't Italian and of Catalan. But whatever, I think I should research the matter more because I'm interested in it.
For now, here is this link:
http://dsc.discovery.com/convergence/columbus/experts/questions.html
But I will research this more.