The New Patriotic Party (NPP) Member of Parliament (MP) for Atwima Nwabiagya North in the Ashanti Region, Benito Owusu-Bio, has noted that the effective campaign message by the flagbearer of the NPP, Nana Akufo-Addo, has destabilized the campaign plans of President John Mahama, compelling him to go on vote buying and empty promises spree.