Travelers aren’t complaining about layovers at Singapore’s Changi Airport (consistently ranked the best in the world) thanks to its movie theaters, rooftop pool, hot tub, and butterfly garden. Yet in the United States, there isn’t an airport within the Top 30 of the World’s Best Airports. Kris Van Cleave looks at efforts to update America’s air terminals in such major cities as Los Angeles, Chicago and Salt Lake City, and talks with New York Governor Andrew Cuomo about his ambitious, multi-billion-dollar effort to modernize New York City’s notoriously antiquated LaGuardia Airport.