Aha! The mystery is solved. :) The aforementioned "Kathy from Cambridge" posted a link to us 4 days ago on a listserve about Guatemalan adoption, and it went out as a massmail. Thank you to everyone who got back to me on that. Here's the blurb:

Date: Thu, 11 Jun 2009 12:21:00 -0400
From: "Kathy"
Subject: Peace Corps Blog

I have really been enjoying reading this set of blogs by a husband
and wife Peace Corps Volunteer team who are working in a very rural
section of Huehuetenango in the far northwest of Guatemla. It
provides interesting small glimpses into life in a Q'anjob'al
speaking Mayan community. And into some of the challenges of being a
Peace Corps Volunteer. The blog is called : Jim & Emily's Guatemala:

http://www.jfanjoy.com/blog/

Kathy