It’s reasonable to assume that those who lived through the Trojan War, regardless of victory or defeat, didn’t earn any favor from the gods. This rather somber production takes its cues from Euripides’ view of Agamemnon’s betrayal and the subsequent hardships endured by his daughter Elektra (Irene Papas) and her brother Orestes (Gianni Fertis). Their father had scarcely removed his armor when he was murdered in his b…