Photo by LaTur. I was all prepared to write about the unabated decline of retail in the heart of Cleveland Park (even the 7-11 is closing, people!), but a much more interesting topic about the area was thrust into the public eye yesterday: implications of latent racism on the neighborhood’s listserv, which will, no matter what, always take precedent over the unfortunate disappearance of Go-Go Taquitos. Frequent readers of the Cleveland Park listserv will…