7:45 PM • Grace Cathedral • San Francisco  Reservations Suggested Join author and yoga teacher Darren Main for this relaxed and informal meditation group.  Learn to meditate or come with an established practice.  People of all spiritual traditions and agnostics/atheists are welcome at this donation-based gathering. Each group begins with a brief overview and basic meditation instruction followed by a short meditation practice.  Following practice, there will be time for questions and discussion. While we hope you can join us for the entire…