All eyes are on the GOP hopefuls taking the stage tonight in Iowa ahead of Saturday's Ames Straw Poll.
The NBC political team will be live-tweeting the debate, offering minute-by-minute updates and analysis.
Tweets from Chuck Todd, Mark Murray, Domenico Montanaro and Carrie Dann – as well as other NBC producers and correspondents – will appear in this space ahead of the 9 p.m. EDT debate.
**UPDATE** The event has ended. Check back here in the morning for First Thoughts!