Wales is on the verge of a major change to devolution which could see us all paying taxes to the Welsh Government for the first time. An announcement is expected tomorrow.
It will also affect how the new M4 relief road is paid for.
Our Political Editor Adrian Masters has been looking at some of the options for change.
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Breezy overnight. It will become fairly cloudy as the night progresses.
It should turn cloudier through the early hours with some patchy drizzle and some hill fog too.
It will be a breezy day with variable amounts of cloud and some bright or sunny spells.