While Secretary Rumsfeld and I have had our differences, he deserves Americans' respect and gratitude for his many years of public service.

Torture doesn't work.

But I also want to change the dynamics of this debate, which has kept us gridlocked into positions which caused people to shoot at abortion clinics and other Americans to view it as the only issue in American politics, ... There are areas we can agree on. ... We need to work together to eliminate abortion.

My reading of the threat from Iran is that if Iran acquires nuclear weapons, it is an existential threat to the State of Israel and to other countries in the region because the other countries in the region will feel compelling requirement to acquire nuclear weapons as well. Now we cannot a second Holocaust.

Does it make all the difference in the world? No. But there's a great deal of symbolism associated with whether we're going to add $24 billion to the debt in unwanted and unnecessary pork-barrel projects.

[Vladimir] Putin supporting Bashar al-Assad, helping with the Syrian refugee crisis and, I think for any republican, he [Donald Trump] has got to stop saying this, because I was with him. I was with him and he said that, it was like, I'm out. I'm out. It's too crazy.

Reform, prosperity, and peace, these are major challenges to the United States of America. I don't think I need any on-the-job training. I'm ready to go at it right now.