Remember Florida's 'hanging chads' in 2000? Here's a look back at America's contested elections.
In 2000, the fate of the presidency hinged on tiny slivers of paper. That election — and two others — are among the most contentious in U.S. history.

In 2000, the fate of the presidency hinged on tiny slivers of paper. That election — and two others — are among the most contentious in U.S. history.