LAS VEGAS — A prosecutor said Monday that while few have been willing to speak about the 1996 killing of Tupac Shakur, Duane “Keffe D” Davis is the “one person who has a hard time being silent.” A dispute over fact vs. fiction at the trial in Tupac Shakur’s 1996 killing in Las Vegas “Let’s be clear, Duane Davis did not pull the trigger. But he did plan the shooting in retaliation of the beating of his nephew,” Chief Deputy District Attorney Binu Palal told jurors at the start of Davis’ Las Vegas trial. “Remarkably, you will learn that from Duane Davis himself.” Davis, 63, is charged with murder with a deadly weapon with the intent to promote, further or assist a criminal gang in Shakur’s death. He pleaded not guilty. His lawyer in the defense opening called the prosecution’s narrative “fiction.” If convicted, Davis faces life in prison. Palal showed jurors video of Shakur’s entourage attacking Davis’ nephew Orlando “Baby Lane” Anderson outside the boxing match at the MGM Grand hours before the shooting …