Trend alert! Lots of exciting things have been happening in the DC Metro dining scene in 2012. Bartenders, err, mixologists, use bespoke ice and like mad magicians concoct phials of exotic mixers. Local sourcing now refers to chefs who grow their own ingredients on-site (hey, if it’s good enough for the White House). Click through the slide show to see the food and drink crazes of the moment and (more importantly) some spots where you can check them out. Let us know which ones get you drooling - and which ones annoy you - in the comments.