> Why the US would allow their truffle pigs to not pay taxes on oversea earnings is clearly the result of expert lobbying. Are there any other countries that t

> Why the US would allow their truffle pigs to not pay taxes on oversea earnings is clearly the result of expert lobbying. Are there any other countries that tax already taxed overseas earnings? If the sale was made in say China and taxes were paid in China, why does Apple need to pay US taxes? (This is an honest question, I really don't understand this. I understand _that_ it's US law, I don't understand why)