Presidential debate replay: Donald Trump-Kamala Harris face off

Power Play: Debate organizer on fact checking ABC political director Rick Klein responds to accusations that moderators unfairly targeted Donald Trump during the debate.

Kamala Harris and Donald Trump exchanged barbs in a combative face-off Tuesday night in what may be the only debate between the presidential candidates, who polls show are locked in an extremely tight race with election day in the U.S. just 55 days away.

Read our play-by-play below where our experts shared their insights and analysis as the debate happened.

Our live blog contributors included: