As runner-up in the 2008 Democratic primary, Clinton arguably is the party's heir apparent. Republicans, not Democrats, typically nominate the next-in-line contender.
With the early GOP presidential picture wildly scrambled, it's possible that Republicans will tap a newer, younger nominee while Democrats consider one of the nation's best-known figures, and certainly the most high-profile female politician.
Clinton is scheduled to speak Friday at the Women in the World Summit in New York.
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