When the New York Public Library abandoned its controversial renovation plan on May 7, we celebrated the power of journalism to shape policy and its ability to influence a progressive mayor who knows the importance of the city’s public institutions. In July 2011, we asked contributing writer Scott Sherman to profile the new president of the New York Public Library, Tony Marx. Sherman quickly discovered that the NYPL had embarked on a colossal plan to transform its main branch. The resulting article, “Upheaval at the New York Public Library,” published in December 2011, and his follow-up last September, “The Hidden History of New York City’s Central Library Plan,” sparked a major public debate. When candidate Bill de Blasio sought our mayoral endorsement, we challenged him to address the problems revealed…