The world's largest commercial airport opened last week. Its official name was New York International Airport, but millions of New Yorkers knew it as "Idlewild," the name of a golf course that it displaced. The 4,900-acre airport (on Long Island, 38 minutes' drive from Manhattan's Airlines Terminal) covers an area as large as Manhattan Island from 42nd Street to the Battery; its 35 all-weather krypton flash approach lights (3,300,000,000 peak beam candlepower) are the brightest ever made by man. Idlewild's ten miles of paved runways (six strips completed, one under construction) will...

