The president who did the most for black Americans in 20th century history was Lyndon Johnson, and he got his hands dirty by dealing with Southern senators, Southern congressmen, horse trading with them, cajoling them, learning what not to talk about. And he got civil rights passed and Great Society programs. That should be the model. Get over yourself.

Here is a needle President Obama needs to thread if he chooses a ninth. The nominee would need to be so strongly qualified that he or she would be hard to reject. The person must also be willing to be nominated even though leading Senate Republicans have said they will not consider anyone the president names.

I see parallels between Karachi and the cities that I was familiar with: a very different place, but in terms of its human stories not really very different at all. That was what excited me about the place - that it was so complex, as difficult to me as an outsider and yet so human in a way that was ultimately very familiar.

[Mark] Lilla is a professor at Columbia University in New York, and he has waded into the debate about what Democrats and liberals should do now. Some Democrats answer nothing.

Congress can grant a waiver [for General James Mattis ] and has done that once in history.

[Identity liberalism] says, on the one hand, you can never understand me because you are not exactly the kind of person I've defined myself to be. And on the other hand, you must recognize me and feel for me. Well, if you're so different that I'm not able to get into your head and I'm not able to experience or sympathize with what you experience, why should I care?

We have to remember in that Bloomberg poll, strong Republican support for [Donald ]Trump's proposal, but the country at large - strong opposition to that support.