Now we've got our pick of viewing spots and take a trail up to an observation point where we can see Old Faithful and all of the surrounding area.

CNN: Taking the kids: A winter trek in Yellowstone

Among the U.S. military's allegations against Hussein were that bomb parts and insurgent propaganda had been found in his house after the military asked to use it as an observation point during an operation.

CNN: U.S. military frees Iraqi journalist

One interesting point about this observation is that it requires both a genetic input (the 7R variant) and an environmental one (the network of friends) to take effect.

ECONOMIST: The genetics of politics