Buffett Takes It All With Him: Wall Street: And Bill Gates leaves it behind, as two 20th-century business icons stun 21st-century investors by repealing laws of nature.(Business)(Brief Article)

By now, you've probably seen a zillion pieces about the leading business people, the biggest deals and the biggest business stories of the 20th century. But hey, writing about the great business stories of the 20th century isn't much of a challenge. Anyone can read old stories and write what we news-magazine types call a "clip job." The real challenge is to anticipate the major business stories of the 21st century before we even enter it. So here goes. Before you dispatch angry letters or e-mails, please note that my tongue is tucked firmly in my cheek. As securities lawyers would…