EDITOR'S NOTE: Last Saturday, WORLD editor in chief Marvin Olasky spoke at the Desiring God 2009 National Conference: With Calvin in the Theater of God. If you were unable to be in Minneapolis last weekend, you can view Marvin's message, "Calvin on the Christian Meaning of Public Life," below.

Marvin also participated in a panel discussion that day, and it also can be viewed below.

To view or listen to the other speakers at last weekend's Desiring God conference, click here.