Sen. Lindsey Graham appeared before a grand jury in Fulton County, Georgia, on Tuesday as part of an investigation into efforts from former President Donald Trump and his allies to overturn the 2020 election results in that state, his spokesperson confirmed.  "Today, Senator Graham appeared before the Fulton County Special Grand Jury for just over two hours and answered all questions," said Kevin Bishop, a spokesperson for Graham, in a statement. "The Senator feels he was treated with respect, professionalism and courtesy. Out of respect for the grand jury process, he will not comment on the substance of the questions."  Fulton County District Attorney Fani Willis had sought Graham's testimony in relation to phone calls he made to Georgia Secretary of State Brad Raffensperger after the election. Raffensperger told "CBS Mornings" in November 2020 that, in a phone call, Graham suggested absentee ballots from counties with high rates of nonmatching signatures be disqualified. At the time,