2) H. Lee Scott Jr.
President and CEO, Wal-Mart Stores
WHY: Oversees a retailing empire that has potential to dominate the world.
WHAT'S AHEAD: Global expansion.
Lee Scott reigns over the world's largest company.
That simple fact makes Scott, a Wal-Mart insider who rose through the ranks under the guidance of Sam Walton, a very powerful individual.
Scott, 53, was hired in 1979 in the transportation-trucking-logistics area where he s