 In 2000, Gaul briefly worked at "The New York Times" and in 2001 joined the national investigative staff at "The Washington Post", where he remained through 2009.While there, Gaul authored a number of series, including a 2006 detailing $15 billion in waste in federal agricultural subsidies that was a Pulitzer finalist in National Reporting.Dan Morgan and Sara Cohen worked with Gaul on the series.