For review: 1. Raúl Castro, Cuba’s low-profile former president and revolutionary guerrilla, appeared in public for the first time since being indicted by the United States for his alleged role in the 1996 downing of two civilian aircraft, official video released Saturday showed. 2. The United States and Iran exchanged fire overnight Friday amid a fragile ceasefire as American officials stepped up preparations for potential nuclear negotiations, including consultations this week with experts ...