With locations across the five boroughs, the YMCA of Greater New York has offered spaces and programs that serve their communities for decades. Now, in the midst of the COVID-19 pandemic, both the Y and non-profit organizations like it must adjust to a world where public spaces operate under very different rules. Sharon Greenberger, President and CEO of the YMCA of Greater New York, explains how she’s getting the organization through the crisis, and what she hopes New York will look like on the other side