Head of BBC Newsgathering Fran Unsworth, will act as director of news from 19 March and Lord Hall said he hoped there would be a permanent replacement in place by April.
Tory Lord Jopling said it was "a major constitutional change" and Labour's Lord Foulkes of Cumnock said it had "not be thought through" and questioned how extending the electoral register to include younger votes would be funded.
Work and Pensions spokesman Lord Freud said the government wanted to focus support on the most severely disabled children.
For the government, Work and Pensions minister Lord Freud said he agreed with all of the points made during the debate.
Responding, Work and Pensions Minister Lord Freud said he had no fear the proposed changes would put more disabled children in poverty.
But Lib Dem peer and Justice Minister Lord McNally said he believed that it "could be possible to devise a system of enfranchisement of some prisoners that could play a useful part in a rehabilitation process".
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Having been in both academia and industry, Lord Oxburgh said he has no doubt that in industry, where companies, not researchers, own the data, the record-keeping would have been better, but that the team would have done much less good research.
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The Justice Committee also took evidence from former cabinet secretaries Lord Turnbull and Lord Butler, who said political parties should agree to a common set of principles setting out the constitutional conventions that would apply in the event of a hung parliament.
Labour's Lord Boyd of Duncansby, a barrister and former Lord Advocate for Scotland, said he was "disappointed" by the government's suggestion in a written response to the report that the court does not in fact face an imminent crisis.
Talking to Today presenter James Naughtie, the Labour peer and former European commissioner, Lord Mandelson, said Mr Cameron had given game, set and match to the hardliners in the Conservative party.
And Sir Timothy said he approached previous party chairman Lord Parkinson and his successor, Michael Ancram, but was rebuffed.
Speaking on behalf of the judiciary in England and Wales, Lord Justice Thomas said it was important to put the figures in context.
Junior energy and climate change minister Lord Marland said at question time that the government retained "confidence" in the leadership of the IPCC.
Crossbencher and former hospital consultant Lord Patel said the new body must be seen as an independent "big hitter" rather than being an "obscure" sub-committee.
Labour peer and former Glasgow MP Lord Maxton said that "devolution to me was always about democracy - it was not about the separation of the Scottish state".
Lord Henley and Mr Neill said the government believed such initiatives would encourage fly-tipping and burning in gardens, and impose added costs to families which were already struggling financially.
"We showed the world what we can do in London 2012 - now is the time to capitalise on this great success and the expertise so many British companies demonstrated in delivering the Games, " said Trade and Investment Minister Lord Green.
"Some of our proposals are challenging and contentious and would take time to implement, " said Lord Turner, Chairman of the UK Financial Services Authority and part of the Group of Thirty.
Mr Brown did the same, and also said where he thought Lord Lawson was wrong.
Lord Mandelson said ministers and industry would need to be more demanding in what they expected from universities and colleges.
But David Miliband's former cabinet colleagues, Lord Mandelson and Jack Straw, said they did not think it was the end of his political career.
Recently in his Hands lecture in Oxford, the former Labour Minister and EU Commissioner, Lord Mandelson, said that a "genuine political union" would need a "clear mandate".
"It suprises me how animated and excited the House of Commons is about it, when there are other issues to be excited and animated about, " said Lord Irvine.
"Nokia has been focused on getting its new range of Windows Phone handsets out, and they may now want to send a message that they have some strong intellectual property - particularly as they have been in the business so long - and they are willing to assert it, " said Andrew Alton from Urquhart-Dykes and Lord.
But chairman of the culture media and sport select committee, John Whittingdale, said he did not believe Lord Patten should go, and called for a "fundamental overhaul of the management structure at the BBC".
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"I was wondering if you have accepted Jesus Christ as your Lord and savior, " the voter said.
Lord Burns said "inexcusable and wanton" violence had been inflicted on Mr Ferry.
Responding, Justice Minister Lord McNally said he understood and respected Lady Linklater's comments about why teenagers chose to carry knives.
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On Thursday, Lord Mandelson said excessive pay and bonuses for bankers should not be allowed to drive risk-taking in the City.
Baroness Delyth Morgan, a minister in the Department for Children, Schools and Families, said that all of Lord Laming's recommendations would be implemented.
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