Corey Dade

Although he's been a public figure for three decades, the Rev. Al Sharpton is more visible these days than ever, often in ways even he wouldn't have dreamed when he was leading protests on the streets of New York in the 1980s.

If you watched the inauguration ceremony for President Barack Obama, you probably saw the dais behind him filled with the usual lot of past presidents, members of Congress and so on. You also may have caught sight of a new, and improbable, addition: Sharpton.