 There's nothing I can do. I can't fly the plane, so I have to be sitting here and be patient with everybody else. That was Mike Wilson in Austin, Texas, Aruna Chakravarti in Portland, Maine, and Lunston Dennis in Atlanta. All of this chaos was caused, apparently, by faulty software updates from the cybersecurity film CrowdStrike. We have two NPR reporters here to help us make sense of what happened and why. Jenna McLaughlin covers cybersecurity, and Joel Rose covers transportation. Thanks to both of you.