I went to the Castro (the homosexual district of San Francisco) like we usually do on Friday nights. Normally, we sit on 18th and Castro, and someone plays the guitar, and we all worship God. Sometimes a person will yell at us, or maybe a few. Sometimes people will ignore us. Sometimes people will let us pray with them. "This time was not a normal night. It was the first time we’d been back in the Castro to do our normal outreach since California Proposition 8, which defined marriage as “one man with one woman,” was passed. We played the...