Vote Smarter 2020: Do Presidential Debates Impact The Election?

Debates today don't significantly change voter opinions on the night itself, unlike decades ago. The deep political divide in the US and the familiarity with candidates lessen their impact. However, debates can still generate excitement and increase campaign donations, which are crucial for spreading a candidate's message.

In what ways have candidates' performances on debate night changed over the decades?

What does the text suggest about the public's familiarity with candidates before debates?