By Jeffrey Quiggle The business arrangement between the private sector and NASA is becoming fascinating. The International Space Station has welcomed four space travelers who left Earth from Kennedy Space Center in Florida on Wednesday. It’s a historic crew that docked with the ISS aboard a SpaceX capsule called Dragon. The team consists of Nicole Mann and Josh Cassada of NASA, Koichi Wakata from the Japan Aerospace Exploration Agency and cosmonaut Anna Kikina of Russia’s Roscosmos. The multinational crew is celebrated for at least a couple of reasons. First, the inclusion of a Russian gives h…