Pennzoil 400 storylines at Las Vegas Motor Speedway
 
Pennzoil 400 storylines at Las Vegas Motor Speedway

1. Will young lions roar again? After showing well in the season-opening Daytona, promising NASCAR youngsters were overshadowed by veteran coounterparts in Atlanta 2. NASCAR air guns. They malfunctioned at Atlanta, costing drivers such as Martin Truex Jr. and race winner Kevin Harvick track position 3. Ford vs. Chevy. New Camaro was the rage at Daytona, but Fords raced to the front at Atlanta Speedway