The Ticker: ABC Suit, Nightline, JK & Today…

> Even after a “full retraction and apology on the air,” a California preacher is moving ahead with his lawsuit against 20/20. The LA Times has the story.

> Marketwatch.com’s Jon Friedman writes about Nightline coming out of the shadow of Ted Koppel: “By showing grit and stressing smart storytelling, the reworked ‘Nightline’ has proven capable of establishing a legacy of its own.”

> The Today show rounds out the week with more Harry Potter mania. Meredith Vieira sits down with Potter author JK Rowling, for segments airing Thursday, Friday and on Dateline Sunday. Rowling tells Vieira, “It was this amazing cathartic moment. The end of 17 years’ work.”

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