Zack Polanski has been spotted wearing a white poppy as the leader of the Greens overlooked the Cenotaph during this year's Remembrance Sunday service.First proposed in 1926 by the No More War Movement, the white poppy is often worn by some who believe the traditional red poppy glorifies war and conflict, which Mr Polanski also wore.The white poppy is still a mark of commemoration for those who have died in conflict, but stresses the importance …