President Donald Trump on Monday said he would campaign against Georgia Gov. Brian Kemp. “I’ll be here in about a year-and-a-half campaigning against your governor, I guarantee you,” he said at a rally for Sen. Kelly Loeffler (R-Ga.) and Republican Senate candidate David Perdue, drawing cheers. Trump noted how he endorsed Kemp, a fellow Republican, in 2018. “He was in last place and I endorsed him. He went to first place very, like, immediately and then he won the primary, and then I gave him a couple of rallies, which I don’t like doing for other people,” Trump said. “I’m going to be here in a year-and-a-half and I’m going to be campaigning against your governor and your crazy secretary of state, and you have great candidates,” he added. Trump has repeatedly criticized Kemp and Georgia Secretary of State Brad Raffensperger, a Republican, for their handling of the 2020 election. …