U.K. Is Readying Contingency Plans for Possible Greek Eurozone ExitThe U.K. government is stepping up contingency planning to prepare for a possible Greek exit from the eurozone and the market instability such a move would create, U.K. Treasury chief George Osborne said on Sunday. A spokeswoman for the Treasury declined comment on the details of the contingency planning. The U.K. government has said the standoff between Greece’s new antiausterity government and the eurozone is increasing the risks to the global and U.K. economy. “That’s why I’m going tomorrow to the G-20 [Group of 20] to encourage our partners to resolve this crisis. It’s why we’re stepping up the contingency planning here at home,” Mr. Osborne told the BBC in an interview. “We have got to make sure we don’t, at this critical time when Britain is also facing a critical choice, add to the instability abroad with instability at home.” Mr. Osborne is on Monday heading to Istanbul for talks with other finance officials from the G-20. Alan Greenspan , former chairman of the U.S. Federal Reserve, said in a separate interview that he believed Greece would eventually leave the eurozone. He told the BBC he couldn’t see who would be willing to put up more loans to bolster the country’s struggling economy. “I believe [Greece] will eventually leave. I don’t think it helps them or the rest of the eurozone—it is just a matter of time before everyone recognizes that parting is the best strategy,” he was quoted as saying by the BBC. Ahead of the U.K. general election in May, Prime Minister David Cameron and Mr. Osborne have used the Greek situation to argue their case for a continuation of the government’s austerity plans. Mr. Osborne noted that Greece had chosen to stay in the eurozone and had worked hard to do so. More