When Bill Clinton chose Al Gore in 1992 - from the same generational, ideological, and geographical background as his - it underscored his campaign's central argument that this was a clash between the past and the future, that 'Don't Stop Thinking About Tomorrow' was indeed the campaign's anthem.

When Al Gore picked Joe Lieberman, it was a clear declaration of independence from President Clinton; no Democrat had been more critical of Clinton's misconduct.

When George W. Bush picked Dick Cheney, it was a reassuring sign that the Texas governor would have an experienced, prudent voice at his side.

Jeff Greenfield Quotes