Fat City turns one year old next week. Birthdays are always a fun time, and if you play your cards right, they can be a perfect opportunity to get free stuff from restaurants. The blog Rambling Hussies has put together a list of metro-area chains that honor birthday boys and girls. For lunch, you could have a free sandwich from Planet Sub or a free burger from Red Robin. At dinner, Zarda Barbecue will give you free ribs, while The Bristol and its sister Houlihan's both offer free e