The new "Kilroy was here" tag among U.S. troops involves Chuck Norris, Reuters reports. He's become something of a folk hero: "A small cardboard shrine is dedicated to Norris at a U.S. military helicopter hub in Baghdad, and comments lauding the manliness and virility of the actor have been left on toilet walls across Iraq and even in neighboring Kuwait." One tag reads, "Chuck Norris divides by zero." Well, it's literally a hellish war zone over there, so whatever keeps you sane (and pups safe), you know? [Reuters]

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