Photo by furcafe A water main break Tuesday evening at in the 1700 block of Columbia Rd. NW flooded the basement of Mixtec restaurant in Adams Morgan, forcing the owners to close their doors last night, as the Post reports. However a call to Mixtec this morning confirms they intend to reopen today, just as soon as the gas and water companies arrive to restore their service and give them the all-clear. Manager Pepe…