By Casey Sullivan (Reuters) – OkCupid’s disclosure that the popular dating website intentionally misled couples about their suitability could open it up to a U.S. Federal Trade Commission inquiry, according to lawyers and experts in consumer-protection law. On Monday, President Christian Rudder disclosed in a blog post that OKCupid had conducted experiments on its users, including a test to see whether its assessment of their matchability led to successful dating. “To test this, we took pairs of bad matches…and told them they were exceptionally good for each other,” Rudder wrote. …