By Peter Rutherford SEOUL (Reuters) - As the rest of the world's top women golfers were playing for millions of dollars in prize money at the U.S. Open last week, South Korea's Ko Jin-young was half a world away dreaming of what might have been. One of the brightest young talents in women's golf, Ko made her mark on the world stage by finishing second at last year's British Open and has risen to 33rd in the world despite playing outside the U.S. circuit, where events offer far more money and world ranking points than the domestic Korean Tour. While Ko received an invitation to the U.S. Open, the most prestigious tournament in women's golf, and one she dearly wanted to play, there was one thing holding her back - the threat of a $100,000 fine from the KLPGA. More...