By Nick Mulvenney SYDNEY, Nov 25 (Reuters) - Adam Scott's target for the Australian Open could not be more straightforward -- a victory preferably following a final-round duel with world number one Jordan Spieth. Spieth said on Tuesday that the 2013 U.S. Masters champion would be the man to beat at The Australian Golf Club and Scott could only agree. "I'm very fired up to win the Australian Open this week," the 35-year-old Australian told reporters on Wednesday. More...