LOS ANGELES — A self-described pimp suspected of a deadly shooting that caused a fiery crash on the Las Vegas Strip stood silently in court Monday while the grief-stricken brother of a taxi driver killed in the mayhem glared at him from the courtroom gallery.The suspect, identified as Ammar Harris, 26, did not speak or enter a plea as proceedings began to extradite him to Nevada.He was represented by a public defender, and the judge set another hearing March 14 to establish his identity.