Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. "Vulnerability" is a hardcore punk song by the ska punk band Operation Ivy written by Lead Vocalist Jesse Michaels released on the Energy LP."Vulnerability" is about drunk driving and how people react to it. Many say "Vulnerability" has some of Jesse Michaels'' most emotional singing. Tim Armstrong''s guitar playing is notably more relentless."Vulnerability" is one of Operation Ivy''s more popular songs along with "Unity", "Gonna Find You" and "Knowledge", though it has not been covered by as many artists as the previous.