As Malcolm Turnbull limps into the second week of a tumultuous parliamentary sitting, his leadership is under threat whether he believes it or not. Fairfax’s latest Ipsos poll, showing both the Coalition’s and Turnbull’s support collapsing, makes sure of that.

Turnbull’s handling of the National Energy Guarantee is a fiasco.

It is perfectly conceivable that Turnbull’s leadership could be on the line very soon, either in the party room or on the floor of the House of Representatives when former PM Tony Abbott and the other the NEG rebels have the chance to park their bums where their mouths are.