*Aussie Drifts Lower To 77.56 Against Yen, 1.7004 Against Euro And 0.8381 Against Greenback

Fed Fisher: 'Sluggish Economic Performance' Likely To Persist

*Fed Fisher: Risk To Price Stability Is Deflation, Not Inflation

*Fed Fisher: 'Uncomfortably High' Unemployment Likely To Persist

*Fed Fisher: Prolonged Period Of Sluggish Economic Performance Likely