by Sarah Blustain This column was originally published in Not Shutting Up, a newsletter about the issues facing journalism and democracy. Sign up for it here. Most of the time, my colleague Irena Hwang works with numbers. An electrical engineer by training, she wrangles impossible data sets into intelligible sentences that word-bound people like me can understand. What she does seems like a kind of intellectual alchemy, drawing solid and valuable facts out of barely visible particles of knowledge.