Last weekend, members of the Democratic National Committee voted through a plan to reshuffle the party’s presidential primary calendar, meaning voters in South Carolina will pick their candidate first, bumping Iowa and New Hampshire off top spot. This was done at the behest of Joe Biden. So why did he want to shake things up? Jonathan Freedland is joined by Adam Gabbatt, Holly Ramer in New Hampshire and Joseph Bustos in South Carolina to discuss the ramifications of messing with political tradition