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Hello, this is Six Minute English from BBC Learning English, I'm Rob.
And I'm Sam.
When it comes to US presidential elections, some are more dramatic than others.
But few elections have been as controversial as this November's contest between current president Trump and his Democratic rival Joe Biden.
In America, where many votes are cast digitally,
there is a risk of cyber attacks on election day.
And with so much depending on the result,
US election officials are worried.
In this program, we'll be hearing about plans to prevent election cyber attacks,
which involve election officials working with a very unusual group of people,
volunteer hackers.
Volunteers are people who work willingly without being paid.
And hackers are people who break into computer systems without permission in order to find information or do something illegal.
But cyber attacks and hackers are not the only threat to fair and democratic elections.
In 2000, the presidential race between Al Gore and George W.
Bush ended in recounts and disputes over missing votes.
George Bush became the first modern president to win the election despite gaining fewer popular votes than his opponent.
But how many fewer?