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SpaceX chief Elon Musk unveiled on Tuesday ambitious plans to establish a "city" on Mars by sending humans on massive spacecraft with cabins, at a cost as low as $100,000 per person. "We need to go from these early exploration missions to actually building a city," he said to an overflow crowd at an expo center with a few thousand seats in the western Mexican city of Guadalajara. Musk showed a futuristic video depicting his concept of an interplanetary transport system based on re-usable rockets, a propellant farm on Mars and 1,000 spaceships on orbit, carrying about 100 people each.
PANAMA CITY (AP) — Panama has formally asked the United States to extradite former President Ricardo Martinelli in connection with a phone-tapping controversy, the country's foreign ministry said Tuesday.