South Carolina Senator Lindsey Graham completely threw Donald Trump “under the bus” when the senator testified before the grand jury in Georgia’s election interference case, a new book reveals.Graham, who has spent most of the last half-decade as a steadfast Trump loyalist, had been summoned to testify before the grand jury over a phone call he had made to Georgia Secretary of State Brad Raffensperger. After fighting the subpoena for months, Graham finally appeared to testify—and flipped immedia