Why does it need to be a separately elected group of representatives to do this, and assuming PR, what would lead them to come to different conclusions?
I'm not certain that it does need to be a separate chamber. I accept the point (I think you made it!) earlier that a committee system, properly constituted, should be able to apply sufficient scrutiny.
But - and this is just a feeling! - having a second house on a different political cycle may remove poitical pressure from the legislative scrutiny. I'm not sure that a committee system would be seen as sufficiently independent.
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But - and this is just a feeling! - having a second house on a different political cycle may remove poitical pressure from the legislative scrutiny. I'm not sure that a committee system would be seen as sufficiently independent.