Trust me: Espresso stout yields a buzz to die for. (Decaf, on the other hand, seems almost pointless.) If you, like me, have station-wagon-driving friends whose other interests include home remodeling, upgrading iMacs, and Cajun-blackened anything, you’ve probably been subjected to novelties along the lines of acorn ale or oyster IPA. Just like us Yanks to take a perfectly good idea and get carried away with it. The Scots, on the other hand, know how to do things right, as the Heather Ale Brewery’s Bruce Williams will attest during his annual gig at the Brickskeller’s series of beers-of-the-world tastings. Owner and brewmaster Williams will tell stories and impart his knowledge about his country’s beer, in almost as much detail as could be desired; on tap will be Scottish faves heather ale, pine-and-spruce ale, and porridge stout. C’mon, trust me. He’ll be here Monday and Thursday as well, but tonight’s program begins at 7 p.m. at the Brickskeller, 1523 22nd St. NW. $28. For reservations call (202) 293-1885. (Caroline Schweiter)