In my daughters I see her every day, her joy, her capacity for wonder. I won’t try to describe how deeply I mourn her passing still. I know that she … - Barack Obama

I know that she was the kindest, most generous spirit I have ever known, and that what is best in me I owe to her

We worship an awesome God in the Blue States, and we don't like federal agents poking around our libraries in the Red States. We coach Little League in the Blue States and have gay friends in the Red States.

I was also part of a post-Vietnam generation that had learned to question its own government and saw how - from the rise of McCarthyism to support for South Africa's apartheid regime - Cold War thinking had often led America to betray its ideals. This awareness didn't stop me from believing we should contain the spread of Marxist totalitarianism. But it made me wary of the notion that good resided only on our side and bad on theirs, or that a people who'd produced Tolstoy and Tchaikovsky were inherently different from us. Instead, the evils of the Soviet system struck me as a variation on a broader human tragedy: The way abstract theories and rigid orthodoxy can curdle into repression. How readily we justify moral compromise and relinquish our freedoms. How power can corrupt and fear can compound and language can be debased. None of that was unique to Soviets or Communisists, I thought; it was true for all of us. The brave struggle of dissidents behind the Iron Curtain felt of a piece with, rather than distinct from, the larger struggle for human dignity taking place elsewhere in the world - including America.

We're up against the conventional thinking that says your ability to lead as president comes from longevity in Washington or proximity to the White House. But we know that real leadership is about candor and judgment and the ability to rally Americans from all walks of life around a common purpose, a higher purpose.