Britain's prime minister appealed to doubters at home and in other EU capitals on Tuesday to embrace his attempt to reform the 28 member bloc as a chance to boost prosperity rather than writing it off as "Mission Impossible." David Cameron, under pressure after overseeing what critics see as a lacklustre start to the renegotiation of Britain's ties with the European Union before a referendum, used a speech to offer the most detail yet on where he wants change.
