It's not even a week old, and Warren Buffett's deal to invest $5 billion of Berkshire Hathaway's money in Bank of America has already been dissected, parsed, praised, and even criticized. This isn't surprising, of course. Every word that passes Buffett's lips and every move he makes get scrutinized. Part of the fascination with Buffett is simply that he's one of the richest men in the country. But another part of it is the notion that the means by which he made his fortune—his investing prowess—is something that can be replicated by ordinary people. All we have to do is watch and listen, and we'll absorb the magic.