If you’re lucky enough to have the day off today, make the most of it by cashing in on distant relations or poking fun at our illustrious leaders. For all you male readers (sorry, ladies!), the Grooming Lounge, the upscale barbershop on L Street NW is offering local men who share a last name with our current president or any of the 42 previous leaders a discount on products purchased in the store or online….