Barack Obama: “Engagement means using all the levers of our national power and rallying the world to take on our shared challenges.”

Now the ball’s in your court, Iowa.

I thought this was the South Side of Chicago.

At least one of our major parties has been captured by politics that is not that subtle about suggesting that ‘We the people’ means a certain kind of people.

Of course, we did not accomplish everything we set out to do. No administration does. Some of the exhibits reflect unfinished business, in some cases, my own shortcomings and mistakes, in some cases because - as a sign I kept on the…