Once a month this year, we're celebrating individuals who are grateful for all they have, joyful in all they do, and positively changing the world one life at a time in our On Fire For Good campaign. Many of those nominated this month were dutiful, soft-spoken, and rule-following. The one we chose, however, was not.

Now, if you didn't peg a 77-year-old Catholic nun and Army Lieutenant Colonel as a rule-breaking, noisemaking, trouble-finding type of person, you haven't met Sister Doris Jo Rak. Let me explain.