In the end, the direction of American politics may all come down to a snowstorm.

Months of fierce campaigning have left both party leadership races too close to call in Iowa as the rural state prepares to become the first, and most influential, to pick candidates for November’s presidential election.

Opinion polls suggest a narrow lead for Donald Trump among Republicans and a near dead-heat between rival Democrats Hillary Clinton and Bernie Sanders ahead of the caucuses on Monday evening.

Yet Trump and Sanders are dependent on support from younger voters and anti-establishment types who tend to turn up less reliably than the party faithful backing Clinton and the more traditional Republicans.

Read the article “Wintry-Looking Iowa Caucus Intensifies Turnout Fears for Trump and Sanders” on theguardian.com.