Given the current economy would you quit the job or stay?

I have been working at a retail business for about 4 years now off and on. I quit once because I was sick of dealing with all the crap but then came back because I needed the money. Anyway, My boss is a total . I know that everyone hates their boss but I can ure you that its probably unlike what I deal with everyday. The man degrades all of his employees in front of customers, calling them every name under the sun. He hates women, any one that isn't christian, any one that isn't a republican, and anyone that is younger than him or even older than him for that matter. He yells constantly at his mother. To put it simply if you don't believe everything that he does then you are going to get screamed at. Because of all of this many people quit quickly which leaves me working 50 to 60 hours a week or more on salary. I get a day off if I am lucky and if he is feeling charitable. I don't know what to do, this job is stressing me out badly but the last time I quit I ended up back because there weren't any other jobs. Its hard for me to find one while I am working there because he is pretty much my only job reference and he wouldn't take it very well if he found out I was looking for another job. I would be in an even bigger hell than I'm already in. I've thought about turning him in for some of the ist remarks but it doesn't really do me a lot of good because he would end up firing me or it would make work even more unbearable. So if anyone has any answers or ideas I would appreciate it.