Here in the Big Apple, celebrity sightings at yoga studios are commonplace. I’ve ended up doing partner work with Parker Posey and brushed buff shoulders with Nicole Kidman. But my favorite celeb-yogi sighting was coming face-to-face (or should I say, mat-to-mat) in a vinyasa class with hip-hop mogul Russell Simmons. The Def Jam founder is a devout yogi, and he greeted me with a jovial “hello” as we bent forward in Prasarita… Continue