My particular passion for Lincoln dates back from my earliest memories of politics.

You can question somebody's views and their judgment without questioning their motives or patriotism.

Those who threaten Israel threaten us. Israel has always faced these threats on the frontlines. And I will bring to the White House an unshakable commitment to Israel's security. That starts with insuring Israel's qualitative military advantage. I will insure that Israel can defend itself from any threat - from Gaza to Tehran.

American politics is always somewhat fluid. In this age of social media, it means that voters can swing back and forth.

I know there are problems that I say to myself, If maybe I was a little more gifted I might have been able to solve. But that's not because I believe what I did was a mistake. It's that maybe it required the talents of a Lincoln.

Do I wish that things were more orderly in Washington and rational and people listened to the best arguments and compromised and operated in a more thoughtful and organized fashion? Absolutely. But when you look at history that's been the exception rather than the norm.

We have an epidemic of fatherlessness here, and that's what I agree with the president [Barack Obama] on, and we should be doing more to promote and protect marriage as between a man and a women for the needs of our children.