ch as the one in the present case, may be of very short duration, mak- ing Im effectively capable of evading re vie by an appellate court £g., Ne- braska Press Association v. Stuart, 427 U.S. 539, 546-47, 96 S.Ct 2791, 2796-97, 49 L.Ed.2d 688 (1976). Other factors also suggest a live contro- versy. The organizations