Former U.S. Senator and Republican candidate for Governor of Georgia David Perdue waves to supporters of former U.S. President Donald Trump after speaking at a rally at the Banks County Dragway on March 26, 2022 in Commerce, Georgia.Megan Varner/Getty Images Trump-backed Perdue is trailing Georgia Gov. Brian Kemp ahead of Tuesday's GOP primary. Perdue's camp says Trump's support was a big reason Kemp became governor in 2018. Splitting the party now, Perdue argues, gives Democrats an edge this fall. ATLANTA, Georgia — Republican gubernatorial hopeful David Perdue is telling Georgia voters still on the fence ahead of Tuesday's primary that backing incumbent Gov.