A Hope in the Unseen originated as a two-part series published in the Wall Street Journal.  The following are links to the Pulitzer Prize winning two-part series:

"Against All Odds", May 26, 1994

http://www.pulitzer.org/year/1995/feature-writing/works/suskind1.html

"Class Struggle", September 22, 1994:

http://www.pulitzer.org/year/1995/feature-writing/works/suskind3.html