VANCOUVER, Canada (AFP) - Vancouver is facing the worst outbreak of syphilis per capita in the developed world, with city health officials fearful of a looming epidemic of the sexually transmitted disease once thought almost wiped out in North America. Some 254 new cases have been diagnosed locally this year authorities said early this week -- more than the total for North America in two decades, with more expected, said Dr. Michael Rekart of the British Columbia Centre for Disease Control. "There's a lot of unsafe sex going on in Vancouver and the disease has simply taken hold," Rekart said....