https://www.reuters.com/article/us-space-exploration-blueorigin/jeff-bezos-worlds-richest-man-boards-spacecraft-in-texas-idUSKBN2EQ0EP >VAN HORN, Texas (Reuters) -Jeff Bezos, the world's richest person, and three crewmates boarded his company Blue Origin's New Shepard https://graphics.reuters.com/SPACE-EXPLORATION/BLUEORIGIN/jbyprzzympe/blue-origin.jpg launch vehicle on Tuesday in the West Texas desert ahead of its planned suborbital journey, a milestone flight set to help usher in a new era of private space travel.