It's a sugar cube! It's a garage! It's a ... sushi bunker? The exterior of the building that's housed the Japanese restaurant Mikimoto on Carrollton Avenue for the last 19 years is absolutely no frills. It's a white cube. With a uniformed security guard often posted out front, you'd think this would be the headquarters of Brink's or some underground arms dealer if it wasn't for the big blue sign out front. The unassuming pickup/drive-through window is similarily void of decoration, and no one...