Understanding the Nature of God

Friends, I do a lot of debating and dialoguing with agnostics and atheists, and very often, when they attack the faith, it's along the lines of: How could an all-knowing and all-good God allow (fill in the blank)? Why does he allow childhood leukemia, or natural catastrophes, or animal suffering? Much of the objection hinges upon the puzzle that is proposed by the existence of God. And we hear a classic answer from within the heart of our tradition today in our second reading from St. Paul to the Romans.