From a letter “sent from ABC and received by Mr. Breitbart”:

Dear Mr. Breitbart,

We have spent the past several days trying to make clear to you your limited role as a participant in our digital town hall to be streamed on ABCNews.com and Facebook. The post on your blog last Friday created a widespread impression that you would be analyzing the election on ABC News. We made it as clear as possible as quickly as possible that you had been invited along with numerous others to participate in our digital town hall. Instead of clarifying your role, you posted a blog on Sunday evening in which you continued to claim a bigger role in our coverage. As we are still unable to agree on your role, we feel it best for you not to participate.

Sincerely,

Andrew Morse

In response to ABC News' decision, Media Matters CEO David Brock released the following statement:

I'm pleased that ABC finally came to its senses and realized that nothing good can come from associating in any way with Andrew Breitbart. I still don't understand why they ever thought it would be a good idea to host a racist right-wing hoaxster like him, but cooler heads have prevailed. The man is poison. Hopefully their experience with Breitbart's reputation and erratic behavior will serve as a warning to other outlets before they too gamble with their credibility.

Previously:

Media Matters' archive: Andrew Breitbart and ABC News