Shani Davis won his second consecutive gold medal in men's 1,000-meter speedskating tonight at the Vancouver Olympics. Davis, 27, defended the title he won 4 years ago in Turin, when he became the first African-American to win an individual gold medal at the Winter Games. Mo Tae-bum of South Korea took silver, 18 hundredths of a second behind Davis' winning time of 1:08.94. American Chad Hedrick won bronze in 1:09.32. (More Shani Davis stories.)