Barton Gellman

Stuxnet, a computer worm reportedly developed by the United States and Israel that destroyed Iranian nuclear centrifuges in attacks in 2009 and 2010, is often cited as the most dramatic use of a cyber weapon.

I talked to a lot of employers who just are, are fearful of what's coming next out of Washington. It's all the spending, it's all the debt. It's their national energy tax, they want to call it cap and trade - more mandates, higher costs, more taxes. Their healthcare bill - more mandates, higher costs, higher taxes.

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.