It?s a summer night on the plains, a night for dreamers and lovers, a night for drive-in movies. In Chickasa, Oklahoma, and Turkey, Texas, Main Street is dark and shuttered. Out on the prairie there flickers the first reel of the movie. This is the boundless nostalgia of the drive-in, of the serene confidence of the United States in the 50s, when Korea was a far-off land and Vietnam wasn?t on the map, General Dwight D. Eisenhower was in the White House, and Edward Hopper captured the spirit of the age. It was remembered again in The Last Picture Show and by the Boss, Bruce Springsteen, when he sang My Home Town . There were 6,000 drive-ins across the Union then. There are 547 now. Idaho has The Spud, Texas had The Trail, and even New York City has the walk-in show in Bryant Park. The drive-in was born in 1933 in Camden, New Jersey, when an enterprising gas station owner projected a movie on his wall to entertain impatient customers. Since then the drive-in has...