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Will be separation, there will be reunion. there will be new life. the history books written about the great recession and recovery will likely include several chapters on fed chief ben bernanke. he's not single-handedly responsible for the recovery, but as cnn international correspondent maggie lake tells us, bernanke's historic decisions are shaping the way our economy moves. >> reporter: it's been a long, perilous eight-year ride for ben bernanke, filled with virtually every economic challenge imaginable.

Carol? >> so far so good. alison kosik, thanks. after the fed announces its decision on interest rates today we'll hear from ben bernanke, the man who pulled the nation's banks from the brink of collapse, his final press briefing as fed chair. while his focus will be on the future his stamp on history is indelible. maggie lake walks you through the mine field of bernanke's tenure. >> reporter: it's been a long perilous eight year ride for ben bernanke filled with virtually every economic challenge imaginable. it all began in 2006 when bernanke was sworn in as the 1th federal reserve chairman...