CNN

Former President Bill Clinton addresses the National Governors Association.

Former President Bill Clinton has a warning for all of us: he says this country is becoming more and more divided.

Speaking to the National Governors Association, Clinton said that even though the Democratic primary produced historic results with the final candidates being a woman, his wife, and an African-American man, he still sees a larger problem.

Clinton believes Americans are becoming more polarized as a nation. He says we're growing farther apart from each other and are "hunkering down in communities of like-mindedness, and it affects our ability to manage difference." Clinton says Americans are separating themselves by choosing to live with people they agree with.

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