Republican candidate for Georgia Governor formerSen. David Perdue speaks at a rally to oppose a proposed Rivian electric vehicle assembly plant on March 1, 2022, in Rutledge, Ga. During his two Senate campaigns, Republican David Perdue raked in millions in campaign cash. But as he tries to unseat Georgia's incumbent governor, fellow Republican Brian Kemp, Perdue is struggling to attract big bucks.(AP Photo/John Bazemore, File)