Do you know each other?  <a href=" http://silverdaddies.fun/#quest ">silver daddies</a>  PETALUMA, Calif., July 15 (Reuters) - The California PublicEmployees' Retirement System, the biggest U.S. public pensionfund, on Monday reported a 12.5 percent return on assets for the12 months ended June 30, led by global equities and real estateholdings as results outperformed the fund's own benchmark.