It may be hard to remember how difficult it was for people to talk about HIV/AIDS back in the 1980's and because of both Ronald Reagan and Nancy Reagan - in particular Mrs Reagan - we started a national conversation, when before nobody would talk about it, nobody wanted to do anything about it. Something that I really appreciate was her very effective but low-key advocacy, but it penetrated the public conscience, and people began to say "hey we have to do something about this too.

In the four years since the inspectors left, intelligence reports show that Saddam Hussein has worked to rebuild his chemical and biological weapon stock, his missile delivery capability, and his nuclear program. He has also given aid, comfort, and sanctuary to terrorists, including al Qaeda members... It is clear, however, that if left unchecked, Saddam Hussein will continue to increase his capacity to wage biological and chemical warfare, and will keep trying to develop nuclear weapons.

There's no day that is the same as the day before. So you have to be energized; you have to be focused.

One of the things I have been preaching around the world is collecting taxes in an equitable manner, especially from the elites.

I think Americans have every reason to be worried about ISIS and the network of terrorist groups, because they have proven to be sophisticated and effective in wreaking violence and murder in many parts of the world, including in San Bernardino with their somehow connected radicalization of that couple there.

I think our great task is to make certain that our young men and women in the military do not get sucked into never- ending, perpetual warfare within the quagmire of Syria and Iraq. And I will do my very best to make sure that that doesn't happen.

We need to make it very clear - whether it's Russia, China, Iran or anybody else - the United States has much greater capacity. And we are not going to sit idly by and permit state actors to go after our information, our private-sector information or our public-sector information.