​'Trey didn't have a car': 'Airplane!' director David Zucker on humble origins of 'South Park' empire

​'Trey didn't have a car': 'Airplane!' director David Zucker on humble origins of 'South Park' empire

The creators of "South Park" didn't always know it would become a hit — let alone one of the longest-running shows in the history of television.Just ask Hollywood veteran David Zucker, who hired Trey Parker and Matt Stone shortly before the duo — and the foul-mouthed kids they created — became household names.'They were also unsure of if "South Park" would ever work.'Zucker — who directed seminal spoof comedy "Airplane!" along with his brother J…