Two senators — one Republican, one Democrat — testified on behalf of Sen. Bob Menendez Thursday in his federal bribery and corruption trial in Newark, a high-profile gambit by the New Jersey Democrat.Sens. Cory Booker (D-N.J.) and Lindsey Graham (R-S.C.) appeared as character witnesses for Menendez Thursday morning. They did not testify about the charges against Menendez, but instead discussed his work in the Senate.Graham and Booker — in very brief appearances — gave the jury glowing reviews of Menendez, casting him as a hard-working and trustworthy public servant.“I’m not here because I agree with him or a disagree with him.