The ban on the sale of single beers keeps marching on, so it seems. On Tuesday, the D.C. Council approved legislation that bans the sale of single beers in Ward 6, Ward 2 and part of Ward 1. Council member Tommy Wells (D-Ward 6), who sponsored the measure, had this to say in a statement:“Over the last year, I heard increasingly from neighborhood leaders and our elected Advisory Neighborhood Commissioners that they wanted Ward 6…