Thomas L. Friedman: What America needs now is a Biden Unity Cabinet

In the last Democratic debate, Joe Biden declared that he would nominate a woman as his vice-presidential running mate. That felt right at the time. But times have changed. Biden needs to go much, much further: At the Democratic convention he needs to name not just his vice president, but his entire Cabinet. And it needs to be a totally different kind of Cabinet — a national unity Cabinet — from Democrats on the Bernie Sanders left to Republicans on the Mitt Romney right. Why?Because