In Australia, soon, details here. Topic: Why is there something rather than nothing? Poor Krauss is going to get slaughtered, and deservedly so. Debating Craig is like getting into a gun fight with Doc Holliday. I would never debate him on anything, even if I thought debate was philosophically worthwhile. He has been honing his skills since high school.
According to the linked site, Krauss' A Universe from Nothing is being translated into 20 languages. Well, that is the way of the world. A piece of garbage becomes a best seller and is translated into 20 languages while books worth reading fall still-born from the press.