Proof? Source? This is the type of thinking that is causing so many problems, and I may be wrong but I don't think you are even a liberal.Ugh....
We are all equal..
The cold hard truth is some people were just born to be ditch diggers. Some of them just happened to be born in a great country that allowed them to get paid millions for super ditch digging talents (Football). They need to stick to their ditch digging and leave the philosophizing to others.