Reflecting on the necessary hybrid of pragmatism and idealism leaders must embody to "bend the arc" of history toward justice, as MLK z"l put it so correctly.

Reflecting on the necessary hybrid of pragmatism and idealism leaders must embody to "bend the arc" of history toward justice, as MLK z"l put it so correctly.

• NYTimes: Change Comes: After 4 Years, Friends See Shifts in the Obamas