RICHMOND — News this week of arrests in the Dec. 13 gang rape of a lesbian brought relief to many in the community, some of whom were so outraged that they led police to breaks in the case. But even as the resolution is lauded, gay-rights advocates and local and national crime statistics portray a gloomy truth about hate crimes against people based on their sexual orientation. Until the root causes of bias toward lesbian, gay, bisexual and transgender people are addressed, "we'll continue to have hate perpetrated against us," said Shawna Virago, a program director for the San Francisco-based ...