PARIS, July 3: Former International Monetary Fund chief Dominique Strauss-Kahn, who is facing a probe into his alleged involvement with a prostitution ring in France, and his wife have separated, a source said. Anne Sinclair, a wealthy heiress who recently relaunched her media career as a news editor at the Huffington Post’s French edition, and Strauss-Kahn separated about a month ago and they are living in separate residences in Paris, said the source, who is close to Strauss-Kahn. (agencies)