I can’t remember any cabinet member – of any party – so blatantly shaming a colleague. Cabinet members are supposed to show collective responsibility. Or at least, collective tolerance.

All that breaks down when comes to Ed Miliband.

On Question Time, health Secretary Streeting blasted Ed’s decision to oppose military action against Syrian president Bashar al-Assad when Labour leader in 2013.

Why would Streeting stick the boot in like that? I suspect his outburst had been brewing for some…