Tonight's presidential debate presents rare opportunity to shape election: Experts
How much difference do presidential debates make? In the past, they've rarely influenced an election's outcome, according to historians who spoke with ABC News.
But the June debate between President Joe Biden and former President Trump was a rare exception, they say, ultimately leading to an unprecedented change in the Democratic presidential ticket.
Now as Vice President Harris prepares to take on Trump in their first presidential debate, experts predict the matchup could potentially produce a similar consequential and history-making moment that could sway undecided voters -- a key voting bloc that could determine who wins the November election.
Read more here.
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-ABC News' Ivan Pereira