NEW YORK — Sen. Bob Menendez’s legal team tried Wednesday to unring a bell — literally. The government’s star witness had testified in the trial that Menendez used a bell to summon his wife to help in a conversation that involved bribery. Menendez’s defense attorney asked repeated questions about the bell, trying to fight back against the damning account. The witness, Jose Uribe, a New Jersey trucking and insurance industry figure, has pleaded guilty to bribing the senator and his wife, Nadine, in order to disrupt a state investigation circling his business. Nadine Menendez will stand trial separately following a...