Feb. 7 (Bloomberg) -- U.K. Prime Minister Tony Blair plans to allow only people who speak English and have skills that are in demand to settle in Britain, after polls showed the public considers immigration rules to be too weak. ``The controls you need are to weed out the abuses,'' Blair said in a Sky News television interview today in London after the plan was presented to Parliament. ``But in weeding out those abuses, you shouldn't do damage to the economy.'' The five-year asylum and immigration plan, outlined by Home Secretary Charles Clarke in the House of Commons, sets out...