Oh Lord. Is this for real? From the SFist inbox this morning we received alarming news that Gavin Newsom and Jennifer Siebel, like, totally hate Africans, or something like that. After the New Year's Eve announcement that the two were to enter holy matrimony, one concerned reader called "Mayor Newsom's Communication Office," wondering if the "rock he bought for his fiancee was not a blood diamond." After talking to an "incompetent" Newsom staff member......