BD's Mongolian Grill just closed its last Michigan location. The Canton restaurant shut down earlier this month — and just like that, a brand that was born right here is completely gone from the state. BD's started in downtown Royal Oak in 1992. Founder Billy Downs saw the concept in London and brought it back to Michigan. At its peak, there were 10 locations across the state and over 30 nationwide — including one in actual Mongolia. If you grew up here in the '90s or 2000s, you remember the dri