After absorbing countless political ads, phone calls, text messages and door knockers, Iowa voters finally have their say Monday night. NPR explores the impact these voters may have on the campaign.
The Republican presidential race in Iowa is a pitched battle between Ted Cruz and Donald Trump. Both candidates have been out on the campaign trail in the final hours before the caucuses.
Democratic presidential candidates Hillary Clinton and Bernie Sanders both met with campaign volunteers Monday as they made a final push before the Iowa caucuses.
Clinton has embraced and touted her potential to be the first female president much more this year than in 2008. But she doesn't have all Democratic women wrapped up. Women under 45 are for Sanders.
Some wealthy conservative donors, including Las Vegas billionaire Sheldon Adelson, haven't put their money behind any candidate yet while Democratic donors have lined up behind Hillary Clinton.