This map shows which ethnicities have the largest ancestry in U.S. counties.

America is supposed to be a melting pot, and this map based on Census data shows the diversity of our country. How do you think the map will change in the coming decades?

You may have noticed "American" as an ancestry in the key. Turns out, some people self-report their ethnicity that way — maybe because they're not sure of their heritage.

A young boy tried to grab the Pope's skull cap

A boy of about 10-years-old with a mental disability stole the show at Pope Francis' weekly general audience on Wednesday at the Vatican auditorium. In front of an audience of thousands the boy walked past security and onto the stage while priests delivered prayers and introductory speeches.

The boy, later identified as Paolo, Jr., greeted the pope by shaking his hand and when it was clear that he had no intention of leaving, the pontiff asked Monsignor Leonardo Sapienza, the head of protocol, to let the boy borrow his chair.

The boy's activity on the stage was clearly a breach of Vatican protocol but Pope Francis didn't seem to be bothered one bit. He looked at the child with a sense of joy and wasn't even disturbed when he repeatedly motioned that he wanted to remove his skull cap.

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