Every four years, the Iowa caucus marks the start of 11 months of campaigning to decide who is the next president of the United States of America. This year sees a new system in place for the Democrat caucus whilst over on the Republican side, GOP candidates scrap with the presence of former US president Donald Trump behind them.<br /><br />But what is a caucus? How does it differ from an election primary and why does the state of Iowa get to go first? This is Decomplicated.<br /><br />Check out Decomplicated on Independent TV, across desktop, mobile, and connected TV.
