Matthew Arnold learns why some longstanding PR accounts are so successful.
When Al Golin cold-called McDonald's founder Ray Kroc 45 years ago, he could hardly have known that it would prove to be the start of a partnership that would span nearly a half-century and see the two firms grow from their humble Windy City roots into global empires.
"It was one of those once-in-a-lifetime things," says Golin. "He said come on over. And after a half-hour, he said you can ...