Theoretically, you can make, obviously, a powerful argument that centuries of slavery, Jim Crow, discrimination are the primary cause for all those gaps. That those were wrongs done to the black community as a whole, and black families specifically, and that in order to close that gap, a society has a moral obligation to make a large, aggressive investment, even if it's not in the form of individual reparations checks, but in the form of a Marshall Plan, in order to close those gaps. It is easy to make that theoretical argument.

We do want people to know if in fact we learn of an incident that's focused on a particular city.If we learn of long-term planning, that's focused on a particular industry or infrastructure. And so we feel we have an obligation to let people know if we have information of a credible threat or not.

This union may never be perfect, but generation after generation has shown that it can always be perfected.

Nobody wants to put the creditworthiness of the United States in jeopardy. Nobody wants to see the United States default. So we've got to seize this moment, and we have to seize it soon.

I think that Canada is one of the most impressive countries in the world, the way it has managed a diverse population, a migrant economy. The natural beauty of Canada is extraordinary. Obviously there is enormous kinship between the United States and Canada, and the ties that bind our two countries together are things that are very important to us.

As I've said many times, the nuclear deal was never intended to resolve all of our differences with Iran. But still, engaging directly with the Iranian government on a sustained basis for the first time in decades has created a unique opportunity, a window, to try to resolve important issues.

It was a creed written into the founding documents that declared the destiny of a nation. Yes we can. It was whispered by slaves and abolitionists as they blazed a trail towards freedom through the darkest of nights. Yes we can. It was sung by immigrants as they struck out from distant shores and pioneers who pushed westward against an unforgiving wilderness. Yes we can.