John B. King Jr.: “If Governor Romney can't change that, especially in that big first debate, he's in trouble.”

It was a very strong speech. It was a forcefully delivered speech. It was in the president's wheelhouse, which is building alliances, which is a big contrast he wants to make with Donald Trump.

The reason both campaigns are spending way more money there than anywhere else is because they think it is what's going to tip the scales.

That's how you win close elections in states that are decided by 10,000, 20,000, 25,000 votes.

If Kamala Harris were to win Pennsylvania, win Michigan, win Wisconsin, in the last five presidential elections, those three states have gone together.