As President Bush rounds the bend and heads into his second term, perhaps you're looking for a new motto to describe his presidency. Try this one: Livin' Large with George W. Bush. Amid the campaign-year debate over the merits and flaws of the U.S.'s 43rd president, perhaps the least discussed of his attributes is his most important. He is a gambler, and plays for high stakes. For better or for worse, don't look for that to change, because his history suggests the characteristic is embedded in his personality. "The guy does not think small," says Nicholas Calio, who handled relations...