Start at the bottom and read up for @Pestonβs analysis on this. Bercow is protecting MPs from threats/bribes by the govt and making sure good decisions are made, not because time is up.
This might sound a bit boring but it's massive - minister tells me he's now made this a 'constitutional crisis' - as the law stands we are leaving the EU in ten days - Speaker has just said the PM cant have another go at getting her deal through