As the fifth week of the government shutdown comes to a close, a shortage of air traffic controllers has led one major airport to cancel all landings. Thousands of flights have been delayed due to staffing shortages amid the government shutdown — and Orlando International Airport (MCO) came close to canceling all landings. The Federal Aviation Administration (FAA) announced on Thursday evening that there would be “no certified controllers for a period of time,” which would “prevent landings” at