Arguing about the faith of U2.

U2 is definitely a Christian band. Or they are definitely not. I'm positive it's one of those two.

It's hard to be sure, but what I am sure of is that we Christians like debating that. I learned that the hard way when I called the band "NeedtoBreathe," the "Christian U2."

Comments lit up as people on both sides made their arguments. I love NeedtoBreathe and was surprised about this reaction. But maybe you've never experienced this particular phenomenon. If not, allow me to summarize what...