Washington Free Beacon writes, Sen. Robert Menendez (D., N.J.) spoke on Sunday at “Standing on the Shoulders of Giants,” a Black History Month Celebration in Trenton, N.J. He addressed the crowd with quotes from Martin Luther King Jr. and the Bible, as he disputed claims he has acted improperly. The Star-Ledger reports: “Dr. King said that ‘the arc of the moral universe is long, but it bends toward justice,’” Menendez said, prompting calls of “alright” from some in the audience at the Shiloh Baptist Church in Trenton. “In the end, I believe that justice will overcome the forces of darkness. Scriptures —…