Tun Dr Mahathir Mohamad is known to be both methodical and mercurial. He remains Malaysia's longest-serving prime minister but has turned against the party that sustained him for his entire political career and is cavorting with former political rivals whom in the past he derided as anti-national.
However, the greatest political somersault of Dr Mahathir's long political career is his rapprochement with his nemesis Datuk Seri Anwar Ibrahim.
