The joint committee of Peers and MPs chosen to scrutinise the proposals for an elected Lords has been holdings meetings every Monday.
But it's already apparent that consensus is eluding them the deeper they go into the details.
And it looks as if a group of mainly Conservative members in the Lords is planning to obstruct both the bill and the rest of the government's legislative programme.
Ministers may threaten to use the Parliament Act which can force through a change in the law against the wishes of peers.
Carolyn talked to a member of the joint committee, the Liberal Democrat MP John Thurso.
He told her Nick Clegg was determined to get his Bill through Parliament despite the opposition of most peers and very many Conservative MPs.