A dedicated shop steward was at a convention in Las Vegas and decided to check out the local brothels. When he got to the first one, he asked the Madame, ""Is this a union house?"" ""No, I'm sorry, it isn't,"" said the Madame. ""Well, if I pay you $100, what cut do the girls get?"" he asked. ""The house gets $80 and the girl gets $20."" Mightily offended at such unfair dealings, the man stomped off down the street in search of a more equitable shop. At the second one, he asked the Madame, ""Is t…