Monday morning, I hustled to go meet Dr. Gelman, banishing all Rohan Mitra thoughts from my mind. Today's weather was more spring than winter. Walking briskly kept me warm, even with my jacket open. I followed the map on my phone to our meeting, eyeing the building in question. Several signs on the ground floor invited people into a billiards hall, but it did say Café Louvre in giant red neon letters along the second story. Worst case scenario and the place was a dump, I'd grab breakfast ...