Hillary Clinton has been in politics for the same reason I am - because we can improve other people's lives by doing this work.

One voice can change a room, and if one voice can change a room, then it can change a city, and if it can change a city, it can change a state, and if it change a state, it can change a nation, and if it can change a nation, it can change the world. Your voice can change the world.

Over more than a decade, Iran had moved ahead with its nuclear program. And before the deal, it had installed nearly 20,000 centrifuges that could enrich uranium for a nuclear bomb.

We have states. And we have cities. And we have counties. And we have the private sector. And - and so the country still works even when Washington's dysfunctional.

There is not a black America and a white America; a Latino America, an Asian America. There is the United States of America.

Every three weeks, we bring online as much solar power as we did in all of 2008.

We are one nation under God, and we may call that God different names but we remain one nation.