"What ever happened to predictability?" asked one esteemed poet – or was that a TV theme song? Host Ophira Eisenberg and her puzzle mavens travel to Washington, D.C., seeking math in odd places and fitting new underwriters for some classic novels. All this, plus a special visit from this week's Mystery Guest, a worldly NPR correspondent.

This hour of puzzles and games involves shared names, like Jon Favreau — Swingers director AND a White House speechwriter. There's also fictional love triangles and a quiz specially tailored for our Mystery Guest, a notable rock critic and pop culture aficionado.

What if horror film characters ran personal ads on dating sites, and musicians wrote songs like "Wake Up, Little Herman"? Our puzzle gurus imagine such a world, while our Mystery Guest, a 21st-century political darling, tells us what makes America sexy, and shows us that the good life is but a tweet away.

House musician Jonathan Coulton takes a '90s alt-rock hit around the world in this week's music game, while contestants go to Tinseltown for some weird movie mash-ups. And ever wonder what car Tiger Woods might drive if he wanted to keep out of Page Six? Speaking of news, this week's Mystery Guests tell us how they keep in tune with the headlines.