I am sure that there are policeman who do beleive it already. But I do see we have a choice - we can act like a democracy and let people have freedom of speech, freedom of expression and the chance to make their own minds up, or we can become a dictatorship and this is the view rational people should hold and thats it.
Yes, some policeman are racist. FACT. whether they elect to join a POLITICAL party or not is up to them. Does that mean that if a policeman is ever caught speeding they cannot do their job because they break the rules...course not.
Enoch Powell less than 50 years ago beleived in repatriation of immigrants. Now the leader of his party is an immigrant.
As I have said previously, I really don't believe that ALL policemen are racist or will buy into the mentioned theory. If a minority do then so what. By banning them, all you are doing is encouraging the BNP and giving them extra headlines.
I have said before, I am of Asian origin, I have been stopped on various occasions by the police (but never arrested) and I still believe they have the right to join the BNP if they so wish.