This might be the best example of what NASCAR's low-downforce edicts mean. Take a look at Kasey Kahne's close call during Friday's practice at Las Vegas.
Jeff Gordon, Kahne's former teammate, offers more terrific insight. Watch and listen.
MORE: 10 drivers to watch | Truex, team put penalties aside | 39 cars at Vegas
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Vegas is the second race of the season in which cars are running with smaller spoilers on the rear deck, smaller splitters under the nose and other changes that take away from their ability to stick to the track.