Nearly four years after Barack Obama was elected to the most powerful office in the most powerful country in the world, the question remains: Who is he?
Long before Mitt Romney became the millionaire candidate from Massachusetts, he was his father's son, weeding the garden in the upscale suburb of Detroit where he grew up.
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Vice President Joe Biden's sometimes shocking, sometimes puzzling statements make him no ordinary Joe.
Paul Ryan has shown a knack for eliciting mixed feelings -- both love and hate.
Ann Romney embraces her stay-at-home-mom image. Michelle Obama often inspired awe.
These are the key figures in the 2012 presidential election. In this special report, we bring your profiles on all six. Click the links below for each profile: