A new interview with Douglas Heselgrave Lukas Nelson and I had been playing telephone tag for almost two weeks when I caught him on the line as he was preparing to go out on a short tour jaunt opening for his father’s band in Arizona and California.  We had just started chatting when Lukas said, ‘I gotta do some laundry here.  I’m loading the washer.  No, shit, that was the dryer.  I’ve just put…