Controversies during the primaries and talk of a "rigged" general election have piqued interest among voters about the process through which the president is elected.
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There have been four times when the winner actually lost the popular vote but won the electoral college, which landed him the job in the Oval Office.
That split between the choice of all the people versus just some of the people dates back to Congress' decision to create a system that tried to tie in elements of both processes.
To better understand how the electoral college works, watch the video above.