“It won’t really be that hard,” she said reassuringly when I called her for a pep talk. “Make a list, do a little bit each day, and stay calm.” Taking the bar exam, writing thank-you notes, having a baby, getting our carpets cleaned, checking endless footnotes as I was finishing my biography of Winston Churchill…my mother made me feel that nothing was insurmountable if I did what I knew ought to be done, little by little.