This week, the Democratic National Committee formed a unit to push back against third-party candidates and independents. At the same time, a number of Biden allies have formed a super PAC called Clear Choice, which plans to do the same, signaling the seriousness of the potential impact of an outsider candidate.

One such candidate, Robert F. Kennedy Jr., is polling above 10 percent in national surveys and is well known for his family lineage.

Today, the candidate shares why he decided to jump in, the issues that matter most to him personally and his thoughts on positioning himself as a potential spoiler.

Do you have a question about the 2024 election? We want to hear from you. Fill out this form (https://www.nytimes.com/article/2024-election-primary-questions.html) or email us a voice memo at therunup@nytimes.com (https://mail.google.com/mail/u/0/?fs=1&tf=cm&source=mailto&to=therunup@nytimes.com)