THE O.J. TRIAL COMES DOWN TO SLOGANS

Sporting a big "No Mistrial" button,Los Angeles District Attorney Gil Garcettidenied defense charges that the prosecution wants a mistrial and has been trying have allegedly sympathetic jurors dismissed. In the courtroom, defense attorney Barry Scheck continued to cast doubts on the validity of evidence collected by the LAPD as he grilled criminalist Dennis Fung. Today, Fung acknowledged leavingdelicate blood samplesin a hot van for seven hours because the refrigerator in the van did not work. Scheck also accused Fung of lying about seeing bloodstains on Simpson's Bronco, saying that Fung was trying to protect the testimony of Detective Mark Fuhrman.O.J. Central