Former Georgia Lieutenant Governor explained in an op-ed published by the Atlanta Journal-Constitution earlier this year why he was supporting President Joe Biden in his bid for reelection. Skewering his fellow Republicans for “[falling] in line behind Donald Trump,” the ex-GOP leader wrote: “The healing of the Republican Party cannot begin with Trump as president,” which is why, “This November, I am voting for a decent person I disagree with on policy over a criminal defendant without a moral compass.” Now that Biden has dropped his bid and nominated Kamala Harris for the presidency, Duncan a…