Blink and you may miss O’Hare’s ‘busiest’ moment

Willis Tower is the tallest building in North America, still, if you consider its roof as the top and ignore the dubious antenna stuck atop One World Trade Center in New York.

Not that the Council on Tall Buildings and Urban Habitat ruled that way.

Of course, if you consider the altitude of buildings, then any warehouse in Denver beats our tallest building, since their ground floors start a mile up, and Chicago is a paltry 600 feet or so above sea level.

Not that people measure buildings that way; it’s a complicated business.

As is “world’s busiest airport,” a title that our reflexively proud Mayor Rahm Emanuel reclaimed for O’Hare International Airport.

“Busiest airport in the world,” the mayor said Wednesday. “O’Hare International Airport has regained its status as the world’s busiest airport for flight operations,” the Department of Aviation announced.

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