federal agent jeff nowitsk yirks will be questioned in a courtroom. he exposed the balco scandal. ruby will try to raise doubts about the agent's motives and methods, say experts. another government witness who is a former business partner with bonds will also face cross-examination. yesterday, bonds' personal trainer greg anderson refused to answer questions and was sent to prison again for contempt of court. >>> also this morning, the trial of two men accused of killing an oakland journalist resumes. former black muslim bakery and antoine maki are on the death for chauncey bailey and two other men back in 2007. prosecutors say bay ordered the murders in order to benefit the bakery. >> a bomb threat to a plane bound for sfo turned out to be a hoax. san francisco police gave the all clear around midnight. the threat came yesterday afternoon as the plane was flying to sfo from the philippines. when it landed at 7:20 it was taken to a remote part of the airport. the 337 passengers and 20 crew members were taken off the plane. bomb sniffing dogs investigated the luggage but found not