Why this Super Tuesday isn't as exciting as others
This Tuesday, Americans in 15 states and one US territory will vote in the presidential primaries for both parties.
With Biden having no serious opposition and Trump far ahead of his rivals, the result seems all but certain. But Super Tuesdays were not always as predictable. The BBC's Emma Vardy takes a look back at the nail-biting Super Tuesday races of the past.
Edited by Anahita Sachdev
