KENNEDY SPACE CENTER — A first stage of Blue Origin’s massive New Glenn rocket became king of the road for a day making a trip from the factory to its launch complex on Wednesday. Transported by a series of multiwheeled carriages and an arching structure, the 189-foot-tall first stage for what will be a 320-foot-tall rocket when fully assembled traveled horizontally on a 22-mile trip from the New Glenn factory in Merritt Island through Kennedy Space Center over to Cape Canaveral Space Force Station where Blue Origin has a hangar and launch pad at Launch Complex 36. The slow-rolling caravan too…