OTTAWA (Reuters) - Canada is not satisfied with an Iranian court's acquittal of the man accused of killing Canadian photographer Zahra Kazemi and is mulling possible penalties against Tehran, Ottawa said on Sunday. Intelligence Ministry agent Mohammad Reza Aqdam was cleared of "semi-intentional murder" due to lack of evidence. Kazemi was arrested a year ago after taking photos of a Tehran prison and died from a blow to the head while in detention. Canadian Foreign Minister Pierre Pettigrew issued a statement saying he was dissatisfied by the way Kazemi's case had been handled. "This trial has done nothing to answer...