Yea, they seem to be very difficult to get. This article says the State Department has approved 375 waivers. So the waivers exist in theory, but the practical p

Yea, they seem to be very difficult to get. This article says the State Department has approved 375 waivers. So the waivers exist in theory, but the practical process of getting one is unclear. http://thehill.com/policy/international/380975-us-visa-granted-to-iranian-seeking-to-help-brother-with-cancer-despite http://thehill.com/policy/international/380975-us-visa-grant...