A few months ago I gave an introductory lecture on the ACT concept of defusion to a group of professionals that are participating in an online learning community called Practice Ground, led by Kelly Koerner, a well-known trainer of Dialectical Behavior Therapy. Make sure you check out part 1 before you listen to part 2, below.
Below is the link to the audio of Part 2:
Here are the powerpoint slides that I used in the lecture so that you can follow along as you listen to the recording.