Good question. I'll stand by and see what others say. My Dad was AL but that was back in the 1960’s a much different time. I was VFW, but never got much out of going to the Post meetings, so my attendance naturally dropped.
Goldberg discusses the fascist roots of the AL in
Liberal Fascism. Not saying you shouldn't join it. If you go to p. 115 of this book preview, you can read his blurb about the AL.
http://books.google.com/books?id=71QP2lkN3LcC&printsec=frontcover&dq=jonah+goldberg&hl=en&src=bmrr&ei=dXcwTeqVKoT78Abwi832CA&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCYQ6AEwAA#v=onepage&q&f=false