washington president-elect donald trump meet thursday retire u.s. navy admiral jam stavridis former supreme ally commander nato dean fletcher school law diplomacy tufts university spokeswoman stavridis say sunday discussion position trump administration stavridis spokeswoman juli hanscom say respond report trump interest stavridis vet run mate democratic presidential candidate hillary clinton potential secretary state story refiled fix spell spokeswoman surname paragraph two trump meet retire u.s. admiral stavridis thursday