Where Holocaust denial is welcomed

By Frances Harrison BBC News, Iran

Iran has been severely criticised for hosting a conference questioning the Holocaust. Delegates included not only some of the world's best-known Holocaust deniers, but also white supremacists and anti-Semites.

Iran frequently plays host to those who criticise Israel.

In the BBC there's a lot of talk about impartial broadcasting. I've always wondered how that would work if you were the BBC correspondent in Nazi Germany reporting on Hitler.

Would you not have to take sides? Well I got closer than ever before to this problem reporting on Iran's Holocaust conference.