Consultants who work closely with conservative billionaire Rex Sinquefield have gathered enough signatures to force a vote on the privatization of St. Louis Lambert International Airport this November. If voters say yes to the plan, the city would basically be required to lease the airport to a private company by next summer. One argument for doing that is that it could help pay down the airport’s half a billion dollar debt. St. Louis Public Radio reporter Corinne Ruff recently dug into that claim.