Well, first of all, we did lots of studies where we show practical intelligence doesn't correlate with G. We have probably two dozen studies that practical intelligence better predicts job success than IQ. ↗
So we knew their intentions were to strike in the United States. We also knew from other sources of dozens of examples of where the notion of using planes as weapons was discussed. ↗
The records fell easily at first. Dozens of seconds peeled away with every running of a course, and I could hardly wait for the next chance to improve. ↗