A young supporter wears campaign stickers on her face as Democratic presidential candidate  Hillary Clinton speaks during a ‘get out to caucus’ event at Washington High School on January 30th in Cedar Rapids, Iowa. Photograph: Justin Sullivan/Getty Images
Iowa caucuses: how they work
  • US
  • February 1, 2016, 11:51

The battle for the US presidency shifts into a new gear with the start of states’ caucuses and primary elections in February 2016, beginning with the (...)