wanting to do it for years, and it s in their current contract that they can work 24 hours. they re just waiting for terminal operators here at the port to tell them when to start. norah. o donnell: time to turn on that switch. carter evans, thank you. well, now to another big story we re following. science fiction became science fact for actor william shatner today. at 90 years old, star trek s captain kirk became the oldest person to travel to space. and he wasclearly moved by the experience. cbs mark strassmann was there to witness it all. has cleared the tower, she is on her pace with the second human space flight crew. reporter: this was the voyage of the blue origin spaceship first step, its 10-minute mission space. oh, geez. reporter: william shatner s latest frontier, up almost 66 miles to the edge of space. and here come the mains. reporter: and right back down again, like same-day shipping. and capsule touchdown.