These are related and I also found them interesting.

http://killingthebuddha.com/mag/exegesis/sex-shoes-and-calif...

https://tricycle.org/trikedaily/encounter-shadow-buddhist-am...

Those are historical articles but this one is about recent events:

https://www.nytimes.com/2018/07/11/nyregion/shambhala-sexual...