So now we've had a bit of time to digest this news what does it all mean for us here in Wales?
Well compared to self-proclaimed devo-realist Paul Murphy, Mr Hain is a passionate devophile. He was the architect of the 2006 Government of Wales Act which gave us limited law-making powers. We all know the LCO process isn't perfect but it does give the Assembly more power than it previously had whilst the Act also allows for the Assembly to call a referendum during this mandate - something Plaid is eager to exploit.
Will this be enough to dissuade Plaid Cymru from calling for the dissolution of parliament next week?
Plaid needs to be clever here. Elfyn Llwyd, Adam Price and Hywel Williams must surely recognise that their interests would be better served by a Labour Secretary of State who is a fan of the Assembly than a Tory Secretary of State for Wales who doesn't seem overly keen on transferring more powers to Cardiff Bay.
Monday polling round up
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