Court of Appeals for the Second Circuit June 29, 1987, 600, 606, 434, 601, 603, 602, 605, 435, 436, 604, 437 and 607; Dockets 86-1211, 86-1215, 86-1216, 86-1217, 86-1218, 86-1221, 86-1233, 86-1234, 86-1240, 86-1251, 86-1285 and 86-1287 (United States v. Murad Nersesian)

PIERCE, Circuit Judge:

This appeal presents numerous issues— some susceptible of summary disposition, others more complex — raised by defendants, who, together with others, were charged with and convicted of participating in a large-scale conspiracy to import heroin from the Middle East and to distribute it in the United States.