Yes, when circumstances change and make our "promises" unrealizable, that's not dishonesty. It's simply that we aren't omnipotent. Any number of things could h

Yes, when circumstances change and make our "promises" unrealizable, that's not dishonesty. It's simply that we aren't omnipotent. Any number of things could have prevented Kennedy's "go to the moon" promises from being pushed into the next decade. That wouldn't have retroactively made him a liar. (Other things like marital fidelity might have, but not the moon one.)