The selection of a new Conservative leader is great for Labour as deflects attention from the growing split in the Labour ranks.

If Jezza goes either Remain or Second referendum leading to remain, a sound case can be made for Labour losing 50+ seats.

If Labour don't go full on Remain then they will bleed votes to Lib Dems.

Wonder what odds you would get on a UK exit from EU followed by an application to rejoin within three years

Responsibility Deficit Disorder is a medical condition. Symptoms include inability to be corrected when wrong, false sense of superiority, desire to share personal info no else cares about, general hubris. It's a medical issue rather than pure arrogance.