Austrian duo win gold in mixed-gender dinghies on scheduled last day of sailing Olympics / Mixed-gender boats start racing in 1st Games with equal sailing medal chances for men and women / Marseille and the sea: A portrait of the millenniums-old port city that is hosting Olympic sailing / Fickle winds continue to affect Olympic sailing medal races, with four of them scheduled for Friday / A lack of wind forces scuttles first Olympic sailing medal races, leaving sailors broiling / Officials abandon men's sailing medal race due to lack of wind: 'Never seen anything like it'