I forgot NV and perhaps CO if Johnson takes enough Clinton votes instead of disaffected GOP votes.
Remember the Mormon guy (don't remember his name, also from the CIA) who has gotten on ballots in almost all of the states (I think about 9) with a high number of Mormons.
If Mittens promotes him through the church or whatever, that would take a small percentage away from Trump. I would revel in having this spoiler get a few percent and have Trump so strong it doesn't matter.