1. Aleem, Zeeshan. 2020. “Rep. Jim Clyburn’s Endorsement Gave Biden Some Serious Momentum in South Carolina.” Vox. March 1, 2020. Accessed August 18, 2020. https://www.vox.com/policy-and-politics/2020/3/1/21159961/south-carolina-primary-biden-win-clyburn
2. Allen, Jonathan. 2020. “This Time, Bernie Sanders `Rigged’ the System Against Himself.” NBC News. February 27, 2020. Accessed July 21, 2020. https://www.nbcnews.com/politics/2020-election/time-bernie-sanders-rigged-system-against-himself-n1144361
3. Associated Press. 2018. “Democrats Change Superdelegate Rules that Enraged Sanders Supporters.” The Guardian. August 25, 2018. Accessed June 25, 2020. https://www.theguardian.com/us-news/2018/aug/25/democrats-rules-superdelegates-sanders
4. Barrow, Bill. 2018. “Dems Pledge to Limit Superdelegates, but Don’t Say How.” AP News. March 10, 2018. Accessed June 25, 2020. https://apnews.com/3fc78f03569848f19b0fecb294c90fdd/Dems-pledge-to-limit-superdelegates,-but-don%27t-say-how
5. Brazile, Donna. 2018. “Democrats Stripped Superdelegate Superpowers. Now I’m a Notch Above a Coin Toss: Brazile.” USA Today. August 31, 2018. Accessed June 25, 2020. https://www.usatoday.com/story/opinion/voices/2018/08/31/democratic-national-committee-weakened-superdelegates-like-me-party-faithful-column/1135303002/