Three cups o' joe and sixteen ounces of Gatorade into Thursday morning, and the hangover still ain't abating. Of all the days the boss could be yammering, "I want that report!" it had to be this one? Alas, there's but one potion -- short of magic -- that can correct this injustice. Here's how to get it: Park on Pershing, at Union. See the red-and-white striped awnings on the corner of the Congress apartments? That's Café Mensé: home of the $2 martini. Strong or subtle, appletini or cosmo, take your pick. Then do like the delivery guys and order yours to go. A minute later, your libation appears in a Styrofoam cup with a plastic top. Everyone knows you can't drink and drive, but there's no law against carrying that clandestine cocktail back to your desk. If anyone asks, it's just coffee!