Image from Google Street View Cornerstone Cleaner, a.k.a. CS Cleaners, the dry cleaners located at 1947 14th Street NW, at the corner of 14th and U Streets, has abruptly closed, with hundreds of garments still locked inside. A sign posted on the door of the business states: “Store will be close 30 days. Pick-up only. (703) 625-0333.” Dialing that number today got you a full voice mailbox for “Uptown Management,” meaning you could not…