Barack Obama: “No challenge poses a greater threat to future generations than climate change.”

a belief that our military and law enforcement owe allegiance not to any president or political party, but to the people and our constitution … a belief in the peaceful transfer of power

Now the ball’s in your court, Iowa.

there will be no kings

Every president here today, as different as we are, has tried our best to uphold the values that John McCain and Mitt Romney believed in no less than I did.