There's one issue that will define the contours of this century more dramatically than any other, and that is the urgent and growing threat of a changing climate.

The ability of Republican leaders to rile up their base - helped along by folks like Rush Limbaugh, some commentators on Fox News - I think created an environment in which Republican voters would punish Republicans for cooperating with me. That hothouse of back-and-forth argument and - and really sharp partisanship I think has been harmful to America.

I think we're at a place wherea woman's health is danger because of whether this family planning or contraception or any issues that relate to women's health, there's an assault on that in the Congress.

Let me be absolutely clear. Israel is a strong friend of Israel's. It will be a strong friend of Israel's under a McCain administration. It will be a strong friend of Israel's under an Obama administration. So that policy is not going to change.

Who you are, what you are, does not change after you occupy the oval office. All it does is magnify who you are. All it does is shine a spotlight on who you are.

When it comes to immigration, I think Americans expect that our immigration process is orderly and it is legal.

I think Ronald Reagan changed the trajectory of America in a way that Richard Nixon did not and in a way that Bill Clinton did not. He put us on a fundamentally different path because the country was ready for it.