TIME – The U.S. is one of the few nations where simply being born on its soil confers citizenship on a newborn. That policy has spawned a birth-tourism industry, in which pregnant foreigners flock to American hospitals to secure U.S. passports for their babies. Although the foreign couple can’t acquire U.S. nationality themselves, once their American-born offspring turn 21 they can theoretically sponsor their parents for future U.S. citizenship. [Read More]