Musk, NASA chief Duffy jostle over space agency leadership
By Joey Roulette WASHINGTON (Reuters) -Acting NASA chief Sean Duffy and billionaire Elon Musk on Tuesday traded barbs online over who should lead the space agency, a day after Duffy invited companies to compete with Musk’s SpaceX for a moon landing mission. The spat involving the U.S. space program and the SpaceX CEO, which have…