Few political junkies were surprised Monday when Republican Meg Whitman announced she had plunked down $15 million from her own wallet to bolster her gubernatorial campaign. After all, Whitman, the former CEO of the online auction house eBay, is a billionaire who had promised to spend as much as $150 million of her own money to become governor. But her latest contribution left political analysts and staffers in opposition camps puzzling over what she's going to do with all that money. As could be expected, the Whitman campaign wasn't revealing much as far as strategy. But one thing about her...