Charli Nox ushered me from the plane, up the causeway. I hadn't had a chance to change clothes from the casual sundress and sandals I wore to Columbia this morning. It was fine for the flight, but now walking next to Nox in his silk suit and shiny new loafers, I felt woefully underdressed. We waited for Isaac and Deloris before we headed toward the exit. While Deloris spoke on her phone, Isaac wheeled my carry-on. I'd planned on taking a taxi to Stanford Medical, but as we stepped onto the sidewalk, Deloris nodded to a large black Suburban. As she did, the driver stepped out and opened the rear door. In minutes, Nox and I were settled in the backseat with Isaac in the front beside the driver. "Where's Deloris?" I asked as we eased into traffic. Though Nox was busy reading somethin

