If something happens in this city without artisanal food vendors, does it even really exist? The increasingly ubiquitous food truck armies are all around us, up in our base killing our d00dz, and their latest conquest is Union Square, where a formidable array of food vendors will be setting up shop at the arts and crafts holiday market. There will also be a "Little Brooklyn" section of the market this year, because Brooklyn Uber Alles.