SAN FRANCISCO (AP) — Formally dressed in a traditional Qatari bisht, Dr. Nasser Mohamed strolled past a crowd of several hundred people outside Chase Center as the England-Croatia World Cup match was shown high above on the big screen. His gold-and-black robe featured a flourish: rainbow piping down each sleeve and the words “love” and “freedom” written in Arabic. “That’s why the World Cup is really powerful, because people don’t need to hear about who I am — I can just walk, be seen, and that’