Ever look at one of those old ads for airline flights in the 1950s? Well-dressed people in spacious seats amidst a wide aisle being served by a somewhat glamorous woman in a flight attendant — or, as they called them, stewardess — uniform. Ah, what a pleasant scene. Of course, it’s not like that anymore. Airports and planes are full, with every last person stuffed into tiny seats of cramped planes with all the glamour of a bad bus ride at 30,000 feet. And increasingly, around the world are scenes resulting in what happened in this one captured on video Sunday by journalist Amir Mateen on a f…