The election chaos in Iowa is a disaster for the Democrats. Strategists are now desperately searching for an outside culprit.
Supporters of Democratic candidate Bernie Sanders in Des Moines, Iowa Photo: Mike Segar/reuters
Every four years, Iowa provides the backdrop for the kickoff of a US political folklore of a very special kind: the primaries. This involves the grassroots making a preliminary selection for the next presidential candidate in an extremely expensive, extremely long and extremely complicated process that varies by state.