For the first time in half a century, NASA is starting to make its way back to a lunar landing. The Artemis rocket was finally able to launch early Wednesday morning after prior delays, sending an unmanned capsule around the moon. At the same time, there are plenty of questions about the path NASA has chosen to make this happen. Miles O'Brien reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders