Giap was a master of logistics, but his reputation rests on more than that. His victories were achieved by a patient strategy that he and Ho Chi Minh were convinced would succeed - an unwavering resolve to suffer immense casualties and the near total destruction of their country to defeat any adversary, no matter how powerful.

Whenever America sends its citizens into harm's way, it must do so with eyes wide open.

For decades we have been living lives of abundance, with little regard for our natural resources or global health. But we are now facing hard choices in our energy policy. Future generations - my children and grandchildren, along with yours - will have to live with the decisions we make today. And so it is time for us to make some tough and - hopefully - smart choices regarding our energy use and production before it is too late.

We need a free press. We must have it. It's vital.

I appreciate our government's determination to investigate the circumstances surrounding the death of the Bytyqi brothers, which Serbia's Interior Minister has rightly called 'an exceptionally serious crime,' and hope the Serbian government's pledge of full cooperation... is matched by a final accounting of their murder.

What is most troubling about Mr. Putin's aggression in Crimea is that it reflects a growing disregard for America's credibility in the world. That has emboldened other aggressive actors - from Chinese nationalists to Al Qaeda terrorists and Iranian theocrats.