Speculation is rampant about who Sen. Barack Obama will choose as his vice-presidential candidate. Here are the top contenders:

Sen. John Tester (D-MT): The story about how he lost three fingers to a meat grinder sure to be a hit at state dinners

Kathleen Sebelius: White voters expected to respond favorably to her white skin

One of Oprah Winfrey's wellness experts that has military experience

Change: Opting for the concept rather than an actual person will really drive the point home

David Duke: Could help Obama win over racists, a demographic among which he has polled very poorly

John McCain's first wife Carol