Send this to your Congressional representatives and ask them to look into it on your behalf. Your Senators and your Rep can all work for you for a change.
I guess it may come to that or I may reluctantly spend the money to talk to a lawyer who specializes in this area. Upon Googling this for awhile, it seems that this is very common, and particularly so with people whose situation in life makes it hard to prove that they will return, such as teenagers. Had they bothered to check the backgrounds of the people involved - me, my wife, her nephew, they would have found nothing to suggest a penchant for lying or breaking the law. Apparently, the embassy staff are omnipotent when they make such decisions and if one is just in a bad mood he can turn someone down on a whim. Each application costs $160. We are all just powerless, mute supplicants.
I don't know whether I'll go the lawyer route or write to a congressman. I like the government in theory, but on those few occasions when I've dealt with them in actuality, I have often gotten the feeling that they are some kind of aristocrats who bestow favors on us or withhold them on personal whim. Now my choices are to wait and try again when the kid is married or owns more property, waste thousands on a lawyer, or give up.