Ester Ledecka of the Czech Republic has become the first woman to win back-to-back parallel giant slalom Olympic titles. Ledecka, 26, bettered Austria’s Daniela Ulbing who slid out and took silver at the Beijing Winter Games on Tuesday. Ledecka famously won the snowboard gold and alpine ski super-g gold four years ago, and is the only Beijing athlete doubling up again. Gloria Kotnik of Slovenia captured the bronze over Michelle Dekker of the Netherlands who clipped a gate and crashed out. In the men’s competition Austria’s Benjamin Karl completed his Olympic medal set, taking gold over Sloveni…