Launching rockets is a complicated thing. Landing them upright on a platform floating in the ocean? Well, that's never been done before. But SpaceX, the private space exploration company founded by billionaire Elon Musk, plans to give it a try Monday.
Hillary Clinton's campaign-in-waiting met on Saturday in its Brooklyn headquarters, a day before before the former secretary of state officially announces her campaign for president, according to a Democrat who attended the meeting.