The Litvinenko poisoned spy story continues to baffle -- and entertain. I mean, what kind of incompetent criminal mastermind poisons people with radioactive isotope polonium-210? Twelve locations in London have turned up with traces of the substance, as well as two Boeing 767s that make regular trips between London and Moscow. Isn't "cover your tracks" the first thing you learn in Killing People by Theatrically Diabolical Means and Getting Away With It School? No offense to the Bond wannabes who offed Litvinenko, but why go the cloak-and-dagger route if you're just going to leave a trail that any bozo with a black light can follow? For fresh takes on the week's other top stories, check out our Sunday Roundup below.