In a decision that could put domestic politics in turmoil and Malaysia’s already dubious reputation for the rule of law in tatters, the country’s highest court on Tuesday found opposition leader Anwar Ibrahim guilty of sodomy with a former aide. Thousands of supporters gathered outside the ornate Islamic federal courtroom to await a verdict that was widely suspected in a case that has long been seen as a thinly veiled attempt to remove Anwar, 68, from the public scene.