What a week. Where does it leave the PM, as chatter about succession steadily grows. We unpack to all on Electoral Dysfunction this week, as @HarrietHarman describes Robbins’ sacking as putting a "nuclear bomb" under the Mandelson scandal.

ANALYSIS: We've spent days talking process & the PM's defended himself on charge of deliberately misleading House. BUT Qs of judgement & integrity loom large as Robbins pays ultimate price for "error of judgement" & PM, who says appointing Mandelson an error of his own, does not