Las Vegas Motor Speedway's "limitless" racing surface was singled out Thursday as a significant factor in a "perfect storm" of conditions that led to the death of two-time Indianapolis 500 winner Dan Wheldon. Wheldon was killed Oct. 16 during the series' season finale when his car sailed 325 feet through the air into a catchfence, and his head hit a post in the fence. The blow created a "non-survivable injury." Read more: http://espn.go.com/racing/indycar/s...it-fence-post-indycar-says-report-fatal-crash
