We've got to make sure that we rebuild the infrastructure in America, because we used to be - have the best bridges, the best roads, the best airports. And now, when you go to China or you go to Europe, you see that they are outstripping us in terms of infrastructure. And if we put people back to work, that would be good not only in the short term, but it would also lay the foundation, the framework for long-term economic and job growth.

You have to have a strong team around you [being a president].

The thing about hip-hop today is it's smart, it's insightful. The way they can communicate a complex message in a very short space is remarkable.

For the first time, preventing nuclear proliferation and nuclear terrorism is now at the top of America's nuclear agenda.

Cutting our education budget, that's not a smart choice. That will not help America compete with China.

America does not accept the legitimacy of continued Israeli settlements.

Throughout American history, there have been moments that call on us to meet the challenges of an uncertain world, and pay whatever price is required to secure our freedom.