In John Piper’s book Spectacular Sins, he not only addresses this question but asserts that God is indeed sovereign over sin.  He asserts,

“God did not just overcome evil at the cross.  He mad evil serve the overcoming of evil.  He made evil commit suicide in doing its worst evil.”

This little book goes beyond the category of “thought provoking” into “awe inspiring.”  In a way only Piper can do, he overwhelms his readers with a view of God’s glory that not only produces greater worship, but grounds your faith for the worst of times.(p.14) Read more