SANTA ANA, Calif. — For its members, a motorcycle club’s logo is both sacred and hard-earned, the banner under which its brand of rugged brotherhood and individualism exist. But in a setback ...

LOS ANGELES — For many years, federal law enforcement authorities have been trying to take down the Mongols, a biker group they ... the Mongols’ trademarked logo, a drawing of a brawny Genghis ...