DAYTONA BEACH, Fla. — The Daytona 500 was postponed until 4 p.m. Monday due to inclement weather for just the third time in the illustrious 66-year history of NASCAR’s showcase event. Sunday morning’s decision signaled that NASCAR officials wanted to avoid fans having to play the waiting game on Florida’s Surf Coast. Previously, bad weather — including heavy rains or even tornado warnings — had created multiple-hour delays, forced crowds of more than 100,000 to seek shelter, wait out storms and return for the race. Fans travel long distances in many cases and spend several days in anticipation…