Not only can blogging wage war on your health, but public figures are getting in trouble for their online opinions. The BNP’s Nick Eriksen learnt this the hard way last week, after he was sacked as the party's London Assembly candidate for publishing jaw-droppingly obtuse views on rape on his blog. The post has since been removed, but luckily journalists were quick to spot the following: "Rape is simply sex (I am talking about......