WASHINGTON - While we’re preparing for our return to Mexico City to showcase “Tehuacán: Divining Destiny,” the Woodrow Wilson International Center for Scholars Environmental Change and Security Program has published our working group’s papers online. (Mine is called “Navigating the Mainstream: Making Water Issues Matter.”) Included are the multimedia reports Soren Nielsen and I produced in Iztapalapa and other regions of Mexico (with editing help from Aaron Jaffe). These are mere examples of the the people, the children, the faces behind the global freshwater crisis.