This week on “Sunday Morning” (December 29)
COVER STORY: Terminal conditionsConsistently ranked the best in the world, Singapore’s Chengi Airport is one of the busiest, but the crowds aren’t complaining about layovers when they have movie theaters, a rooftop pool and hot tub, even a butterfly garden. Yet in the United States, there isn’t an airport within the Top 30 of the World’s Best Airports, and the…