The above video is not about being sorry for being a Christian as some may think. It is about being a Christian and being sorry for the stupid things that we do... I very much agree, and he says it so well.
Yet again, there are some things that we, as Christians, should stand up for... but we must must must do them out of love! Here's the poem in written form in case you may have missed some of it, or just would rather read it then watch it. (the above version is edited i believe)