The former U.S. pardon attorney, Elizabeth G. Oyer, was terminated Friday after she opposed restoring actor Mel Gibson’s rights to carry a gun, her spokesperson and two Justice Department officials familiar with the matter told NBC News. A spokesperson for Oyer said that she was not told why she was terminated but that because of the sequence of events she believes her refusal to carry out a request from officials in the deputy attorney general’s office to add Gibson’s name to a list of people to have their gun rights restored may have played a role. Gibson, a supporter of...