“ In light of the obscure record, the physical circumstances of this narrow sidewalk, and the finding of the Alabama courts on obstruction of customers, coupled with the fact that only a bare remnant of the original controversy remains, we conclude that the writ should be dismissed as improvidently granted. ”

“ At the time the appeal was taken to the Supreme Court of Alabama, respondent operated a retail grocery and drug business on the premises that petitioners picketed. Late in 1966, while the appeal was pending in the Supreme Court of Alabama, respondent ceased to operate the grocery and drug business, leasing part of the space to Delchamps, Inc., for a retail grocery store, and part to Walgreen's, Inc., for a retail drug store. Respondent continues to own the land and the building at the site and maintains an office in the building. ”