Submitted: Jul 6, 2008 - Remember when the July 4th weekend race at Daytona was considered the midpoint of the season? As the 18th of 36 points races, it still technically marks a halfway point, but because of the advent of the Chase, it's later than you think. After Saturday's squirrel festival here, there are only eight races left before the Chase starts Sept. 14 at New Hampshire. Kyle Busch is your points leader, but…