NEW YORK -- The yellow-billed oxpecker stands atop the mighty rhinoceros, gobbling ticks and chirping loudly when danger looms. This tiny bird would make a perfect mascot for Sen. Hillary Rodham Clinton's presidential bid. Akin to that creature, the New York Democrat leaves tiny footprints and has spent more than three decades riding aboard her outsized, accomplished husband, William Jefferson Clinton. And, like the oxpecker, Hillary Clinton is remarkably unprepared for the presidency. Beyond helping to secure post-9/11 recovery funds for Gotham, her legislative achievements are rather slight. Lighter yet is her executive experience, which is measurable in grams. While...