David Perdue, the U.S. Senate candidate whose best-known ad depicts his opponents with governmental experience — his fellow Republicans — as crying babies and who uses the Twitter hashtag #outsider, promises to limit himself to two terms if elected. Perdue's campaign bus visited Statesboro's Market District commercial subdivision Thursday afternoon, and he spoke to reporters during a stop at the State Farm insurance agency on Brampton Avenue. The Glynn County resident, 64, has been CEO of Reebok and Dollar General and is now a partner with his cousin, former Gov.