"Tonight is a victory for the grassroots," Sen. Cruz said after the caucuses, which saw record-shattering turnout from Republicans. Follow NPR's politics team for more news and images from Iowa.
For live updates from Iowa, check out NPR's The Stream blog, or follow along below.
Still unsure of how a caucus works? Our two-minute video explains the basics:
https://www.youtube.com/watch?v=SJqv--jyXPg
Full story: How The Iowa Caucus Works, In 2 Minutes (Starring Legos)
NPR's The Stream: Iowa Caucus Edition
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