Iran, USA, Canada, it makes no difference when religious fundamentalists are in charge. If there was a survey of American and the question was how to deal with adultery and stoning was one of the option a certain percentage of US citizens would check that box. However, Iran is very enlightened in it's method, since one good stone could put the person out of their misery. During the reign of Tamerlain male adulterers were wrapped in a rug with maggots. Women were put in a cloth bag with cats and people would beat the bag.