A neo-Nazi leader and his fledgling political party have a reasonable chance of winning a High Court dispute, a leading legal expert has said.White Australia Party Inc, headed by white supremacist Thomas Sewell, launched the legal challenge after a similarly named entity was banned as a hate group on May 16.Legislation passed weeks after the Bondi massacre allowed Home Affairs Minister Tony Burke to blacklist "White Australia".The party's lawyers will on Tuesday and Wednesday argue the legislation breached the implied freedom of political communication and Mr Burke adjudicating bans breaches the separation of powers.They will also argue the Commonwealth does...