District of Columbia Court of Appeals February 21, 1990, Nos. 86-1271 to 86-1273, 86-1335, 86-1362, 86-1370 and 87-576 (Simon v. United States)

PER CURIAM:

Appellants challenge their convictions for unlawful entry, D.C.Code § 22-3102 (1989), *306based on their refusal to leave the Library of Congress at a new closing hour when an authorized person ordered them to do so. Only one issue merits discussion, and in all respects we affirm.