Co Restaurant King Street Charleston, Vietnamese Charleston, Co Vietnamese Charleston, Co-Restaurant, Co-Restaurant.com, Cheap Vietnamese, Charleston Banh Mi and Noodles 340 King Asian & Vietnamese Lunch, Dinner and Late-night bar menu until 1am Fri & Sat $$ CO has just popped up in the past few weeks and the packed bar area on every walk-by had us intrigued. Interestingly, it opened up almost right across the street from Mama Kim’s new and improved location but, despite both serving Asian fare, they shouldn’t overlap as CO is a much classier experience. The very sleekly decorated, plate-glass window looks straight through to the (rather small)