Kamala Harris is leading Donald Trump in the popular vote according to six opinion polls conducted either after or during Tuesday's presidential debate between the two rivals in Philadelphia. The Democratic candidate had a lead of between two and five percentage points according to the survey,

Donald Trump said during his debate with Kamala Harris that she has been the “worst vice president in the history of our country.” So we asked two scholars who have studied the vice presidency if that was so.

The Tennessean's letters reflect the views of the authors and add to public discourse. At issue: Readers on Kamala Harris and Donald Trump's debate.