New Delhi, Oct. 12 -- They wear habits and call themselves sisters, but these women are far from conventional nuns. In downtown Long Beach, California, four members of a spiritual order known as the Sisters of the Valley step out of a car - and moments later, one of them lights a cannabis joint.

According to a report in The Times, this unusual sisterhood has dedicated itself to "healing the world through plant-based medicine." On a one-acre farm in California's San Joaquin Valley, they grow and sell cannabis products infused with cannabidiol (CBD). Their work has gained global attention - even leading to a cameo in Leonardo DiCaprio's latest film - but the group now faces a struggle to survive in one of the world's most competitive legal...