Our Grand Center arts and entertainment district includes Powell Hall, home of the St. Louis Symphony Orchestra; the Fox Theater, where the big Broadway shows play; the Sheldon Concert Hall, an acoustic gem; the Black Rep theater; the Pulitzer Foundation for the Arts; our Contemporary Art Museum; the local public radio and television stations, and more. It's where Dancing In The Street was held last weekend. There's a lot going on ... However, here and there on Grand Boulevard are these sad