20 years ago they paraded in bovver boots and sported Nazi tattoos but today the leaders of the British National Party are besuited and deliver news grabs in pollie-speak. The times may have changed but their anti-immigration, whites-only message remains the same. Dismiss them, as you might, as far-right loonies, but support for the BNP is increasing. In fact, analysts are suggesting that in future elections up to 20% of the UK's population would consider voting for them. Can a political leopard change its spots? Dateline sent Evan Williams to find out. REPORTER: Evan Williams In the British town of...