Conversation so far:
What epithet did Laura Schlessinger use?
During a call, Laura Schlessinger uttered nigger 11 times, albeit not directed at the caller.
Who was Laura Schlessinger talking to during her racial slur?
Laura Schlessinger was talking to a black woman married to a white man during a show on August 10, 2010
What was the caller's name during Schlessinger's show that used a racial slur?
Nita Hanson was the caller during Laura Schlessinger's show on August 10, 2010
Were there any consequences for Laura Schlessinger saying the racial slur?
No, Nita Hanson questioned the motivation and sincerity of Laura Schlessinger's apology, believing it to be result of being caught.
Did Laura Schlessinger apologize on air for her use of the racial slur?
Yes, a day later, as soon as Laura Schlessinger was back on the air, Schlessinger apologized.

Question: When did this take place?
Self-contained rewrite: When did Laura Schlessinger apologize on air for her use of the racial slur take place?