His weird smirk and virtually rehearsed arrogance meant that he...

His weird smirk and virtually rehearsed arrogance meant that he was never able to win the support of his countrymen as a potential leader. Sad but true.

Good luck to him in his retirement.

Turnbull will breathe a sigh of relief. I don't think Labor would be too concerned one way or the other. The Coalition would never have won an election with Costello as leader. That was shown time and time again, even when Howard was on the nose, they preferred him to Costello.