NEW YORK (Reuters) - An Iraqi Kurdish imam and a Bangladeshi-American pizzeria owner on Wednesday lost an appeal of their convictions for plotting to kill a Pakistani diplomat in what turned out to be an FBI sting operation. The U.S Second Circuit Court of Appeals upheld the convictions of Yassin Aref, 37, and Mohammed Hossain, 53, who were sentenced last year to 15 years each in prison for their roles in a fake plot to attack the Pakistani ambassador to the United Nations in New York with a missile. Both appealed their convictions of money-laundering and conspiring to provide material...