Moral obligation may not be sufficient, but a moral obligation to right a great injustice is surely pertinent to the question of moral mandate. (firstthings.com)
Although his message is pretty clear he has been quite careful not to directly say anything which would give a compelling moral mandate to block his presidency in the spirit or wording of the US constitution. (politics.stackexchange.com)
ICCR's voice in the national discourse on domestic health care begins with this moral mandate. (iccr.org)