Australia’s next PM? The thinking man’s ‘mad-dog rugger bugger’

File picture shows opposition leader Abbott talking during the People's Forum with Australian PM Rudd in SydneyBy James Grubel CANBERRA (Reuters) – If anybody had a good reason to dislike Australia's conservative opposition leader Tony Abbott, poised to be elected prime minister on Saturday, it would be author Bob Ellis. Abbott and former treasurer Peter Costello successfully sued Ellis's publishers for defamation over a book that touched on their days in student politics written by the long-time Labor Party figure, forcing the book to be pulped and costing Ellis's backers more than $500,000. …