Original sentence: American author Tom Zoellner wrote a nonfiction book published in 2006 called "The Heartless Stone" which detailed the history of the conflict diamonds, and presented weaknesses in the Kimberley Process.The film The Blood Diamond starring Leonardo DiCaprio released in 2006, is about a diamond smuggler in a conflict region
Edited sentence: American author Tom Zoellner wrote a nonfiction book published in 2006 called "The Heartless Stone" which detailed the history of the problem and exposed flaws in the Kimberley Process.The film The Blood Diamond starring Leonardo DiCaprio scheduled for a 2006 release is about a diamond smuggler in a conflict region