The president also said he "stopped the blue wave."
The senator was at Georgia Tech campaigning for Brian Kemp.
President Trump Wednesday mocked his former longtime personal attorney Michael Cohen a day after his guilty plea, calling his professional competence into question.
"Our president is a liar and not even a good one,” according to Jimmy Kimmel.
In Britain, President Trump attacked his usual target CNN and, less predictably, The Sun, calling the London tabloid’s interview with him “fake news.”