Whether it's her background at the Rose Law Firm, her role in the Clinton White House pardons, her little-known testimony at the Iran/Contra hearings, or her silence about the suspicious death of friend Vince Foster, Hillary's ability to keep secrets from the public has been her political currency. Secrets are the source of her power. With the candidacy of Barack Obama, Hillary has a real rival. One who didn't vote to unleash the US war machine in Iraq, and one who has beaten her in two major political primaries. It's time to take a comprehensive look at Hillary's greatest hits.