The Republican presidential debate that was scheduled to take place prior to the New Hampshire primary has been canceled. Robert Costa takes a look at how that and other factors could play into the results of the next nominating contest "CBS Evening News with Norah O'Donnell" delivers the latest news and original reporting, and goes beyond the headlines with context and depth. Catch the CBS Evening News every weekday night at 6:30 p.m. ET on the CBS Television Network and at 12 a.m. ET on the CBS News app. Subscribe to the "CBS Evening News" YouTube channel: https://youtube.com/CBSEveningNews Watch full episodes of "CBS Evening News": https://cbsnews.com/evening-news/full-episodes/ Follow "CBS Evening News" on Instagram: https://instagram.com/cbseveningnews/ Like "CBS Evening News" on Facebook: https://facebook.com/CBSEveningNews Follow "CBS Evening News" on Twitter: https://twitter.com/CBSEveningNews Download the CBS News app: https://cbsn.ws/1Xb1WC8 Try Paramount+ free: https://paramountplus.com/?ftag=PPM-05-10aeh8h For video licensing inquiries, contact: [email protected]