Has the Fed's 'patience' been exhausted?

By Mike Peacock LONDON (Reuters) - For a world economy coming to terms with a soaring dollar and a plunge in oil prices, this week will be all about the U.S. Federal Reserve's policy meeting and its intentions on interest rates. A combination of the European Central Bank printing lots of euros and expectations of a first U.S. rate rise has caused turmoil on the foreign exchanges and in emerging markets. The euro, which peaked at nearly $1.40 in the middle of last year, is now languishing around