who is willing to call my former boss to see if they are blackballing me so I can't get another job?

That's a great idea. I wonder how many potential employees are being stabbed in the back every day and have no idea it's happening. I found out the hard way when a great job offer was rescinded, and the woman who had "hired" me told me not to come to work after all. With a little pressure, she told me the truth, and I have the names of several former co-workers who did me in.