Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Feb 29, 2016
The first day of March will have another name this year: Super Tuesday. But what exactly does that mean? Subscribe to The Guardian ► http://is.gd/subscribeguardian Twelve states and one US territory will head to the polls, marking the biggest single day of voting during the primary election cycle. Hillary Clinton, Bernie Sanders and Donald Trump will all be duking it out for delegates, and the day can make or break a presidential bid. But the answer to which of our hopefuls will emerge victorious is still very much up in the air.