Sometimes I think of the paralysis research world as a sort of Pentagon. It’s a monster-sized building labeled Spinal Cord Injury Repair, and nobody can get in without a lot of specialized credentials. Like the actual Pentagon, the one in my imagination has several wings, one for each of the main research thrusts. Today we’re outside the wing with the gold-plated sign that says Stem Cell Research, standing in front of a small window with the blinds pulled down. Someone inside has tilted the blinds to let us get a peek at what’s happening inside the room.
Unfortunately, we still can’t look directly inside. Instead, it’s as if we’re