King Charles has, as the British press put it, been dragged into a “war of words” this week with Charles Spencer, the younger brother of the late Princess Diana. Ahead of the release of Earl Spencer’s bombshell memoir about his sibling next week, titled Swan Song: Diana, My Sister, one particular claim from the book has seemingly thrown the Palace for a loop. Spencer writes that in the wake of Diana’s 1997 death in a Paris car crash, he recalls the then-Prince of Wales saying: “We’ll forget her soon enough.” The uproar among the British public and press has been fierce, and Charles has been criticized for allegedly making such a cruel…