(Image: © Brendan Boughen, Cartoons by Jim)If Christopher Luxon thought politics was just another CEO role, he has surely been disabused of this notion by now. In business, a problem can often be made to look solved with a decision, but in politics a decision can be more easily thwarted by everybody else in the chain. The April confidence vote, when Luxon first tried to draw a line under leadership speculation, was the first example of this.Turns out Luxon’s mistake was thinking such a line could be drawn. 'The weird thing in politics'The PM appears to be blaming...