MSNBC Panel Explodes As ‘Gun Owner’ S.E. Cupp Battles Gun Control Advocate – MSNBC’s Now with Alex Wagner’s panel delved into gun control issues on Thursday which set off a heated yelling match between New York Daily News columnist S.E. Cupp and Dan Gross, President of the Brady Campaign to Prevent Gun Violence.  The panel became tense when Wagner opened with a discussion about proposed New York State legislation that would encode shell casings on bullets to more easily track those guns used in crimes. Major gun lobbies have opposed the legislation and at least one gun maker is threatening to pull their operation from New York if the bill passes.  Cupp, who describes herself as a gun owner, called the legislation “silly.”