ATLANTA — Judge Peter Cahill hardly slept during the six weeks he presided overthe murder trialof Minneapolis police officer Derek Chauvin for killing George Floyd. Cameras in the courtroombroadcast the veteran Minnesota judge’s every word to a global audience.... Outside, the nationwaited nervouslyfor the outcome of a slaying that galvanized the movement for racial justice.“ When you’re in a high-profile trial, you feel the stress, you feel the pressure even if you’re not reading the papers, ”