John Harvard’s Brew House Has Dropped Out It looks like the District can’t even keep sub-par brewpubs. Already a eighth-year senior, John Harvard’s Brew House on Pennsylvania and 13th Streets NW has closed its doors. With the phone dead and its banishment from the mothersite, it looks like the Ad Board has asked it to take a loooooong leave of absence. DCist had mixed feelings about the place. I’d return for bit of post-college nostalgia,…