The first real votes of the 2016 presidential election will be cast at the Iowa caucuses tonight, starting at 8 p.m. ET.
And that means there are a lot of questions in the air.
Will Donald Trump's lead in the polls translate to dominance in the caucus rooms? Will Iowa voters feel the Bern? What's the mood like on the ground? (You'll find answers at NPR Politics, with a wide range of reporting and analysis on the candidates, the voters and what it all means.)