Ok maybe I was being a bit dramatic in the headline BUT they say if leftovers have been sitting out at room temperature for more than 2 hours, bacteria will thrive and you can get food poisoning. If it's left out in temperatures over 90 degrees, that food is bad within the hour.
Wow, ok, look at the millionaires who can afford to throw away 3 hour old, 4th of July leftovers. Snobby.