Conversation so far:
Who is Andrew Breitbart?
Andrew Breitbart was an American conservative publisher, writer and commentator.
What type of news website is Breitbart News?
Andrew Breitbart created Breitbart News, a news and right-wing opinion website, along with multiple other BIG sites - BIGHollywood, BIGGovernment, BIGJournalism.
When did Andrew Breitbart start his website, Breitbart News?
Breitbart News was founded in mid-2007 by Andrew Breitbart.
Are there any other interesting aspects about the Andrew Breitbart article?
In 2011, Andrew Breitbart and one of his editors were sued for defamation by Shirley Sherrod, who had been fired after Breitbart posted a video of a speech by Sherrod.
What was the end result of the defamation lawsuit against Andrew Breitbart and one of his editors by Shirley Sherrod?
In July 2015, it was reported that Shirley Sherrod and Andrew Breitbart's estate had reached a tentative settlement. It was reported October 1, 2016, that the lawsuit was settled.

Question: What was the basis of the defamation suit?
Self-contained rewrite: What was the basis of the defamation suit against Andrew Breitbart and one of his editors by Shirley Sherrod?