AUGUSTA, GA - (AP) - Tiger Woods says "nothing's changed" onthe golf course and he still expects to win the Masters in hisreturn to competition after a devastating personal scandal. Tiger Woods began his comeback with an extraordinary 35-minutenews conference at Augusta National on Monday, taking full blamefor the personal failings that led to revelations of multipleextramarital affairs. Woods refused to say why he spent 45 days in rehabilitation, butsays he intends to continue with his treatment. He also said hereceived five stitches in his mouth after the infamous Thanksgivingnight car crash outside his home, but stressed that he's notaddicted to prescription drugs. While his wife, Elin, won't be joining him at Augusta, Woodsstill believes he can win his fifth green jacket after a five-monthlayoff.