BERKELEY — Three white women dressed in all-black skirts, pants and sheer veils solemnly walked single-file down San Pablo Avenue one recent Thursday morning, drawing quizzical stares as they maintained their steadfast silence.
Bicyclists turned their heads, a mother pushing a baby stroller snapped a cellphone picture and motorists did double-takes as the women continued their measured pace, heads bowed, hands clasped together as if in prayer, followed by a male “ambassador” wearing a…