Could return to the Moon prove a step too far?

By the end of this year or early next, we should get a look at the future of deep-space travel. It will not carry a crew, but NASA’s Artemis I around-the-Moon-and-back flight will demonstrate the capsule, life-support system and mighty Space Launch System rocket being designed and tested to carry astronauts back to where they left off in 1972 with the final Apollo mission.