By Josh O’Brien Ahead of Arsenal’s meeting with Newcastle, Gunners sporting director Edu was faced with questions about the search for a new striker live on television. TNT pundits Rio Ferdinand and Arsenal icon Martin Keown pressed the current Gunners chief for comment on if the north Londoners really do need a lethal goalscorer to get them over the line in their hunt for a first league title since Edu played for the club himself. His response was eye-opening. The Brazilian oozed calmness as he replied: “I understand what the fans are asking for, but we have our ideas, our targets. “We plan a…