The debate about the welfare cap seems to be all about the politics. It should be about the contradictions at the heart of the policy too.
The coalition parties and the opposition are all supporting the measure that will place a legal restriction on most welfare spending from 2015/16 so, despite an expected Labour rebellion, it seems more or less certain to go through.
The cap started off as a political trap set by the Conservatives and Labour support reflects a determination not to fall into it.
Judging from his appearance on the Today programme this morning, Iain Duncan Smith seems determined to act as though Labour doesn’t really mean its support. But the example he chose says much about his priorities and the way the cap will operate.
Read the rest of this post on Inside Edge, my blog for Inside Housing