Heads together: We wouldn't want to suggest that Kirk Hammett (left) and Lars Ulrich are actually plotting new strategies for infuriating their loyal followers in this photo. But they do seem to be up to something.

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"I could be wrong, you know:" John Hodgman notes that while his book That Is All is intensely concerned with "the coming global superpocalypse," it also contains much information about travel and sports and wine, and is "not depressing."

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itoggle caption Brantley Gutierrez

Vice President Joe Biden smiles after filing papers for President Obama to be on the N.H. primary ballot. (AP Photo/Jim Cole)

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Brian Williams will set the course for the new NBC newsmagazine Rock Center. The network is positioning it as a serious news program and expecting a ratings struggle, at least at first.

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