Defense attorneys on Tuesday scrutinized the credibility of the star witness in the federal corruption trial of Sen. Robert Menendez, D-N.J., after he testified that he bribed the embattled lawmaker and his wife. The witness, Jose Uribe, was one of three New Jersey businessmen who were originally charged in the case along with Menendez and his wife, Nadine Menendez. Uribe flipped in early March, pleading guilty and agreeing to cooperate with prosecutors in hopes of avoiding prison when he is sentenced for his crimes, which carry a maximum of 95 years in prison. In his direct testimony on the witness stand in New York federal court, Uribe said that in