London Olympics: Kristin Armstrong wins 2nd straight time trial gold

Wednesday, August 1, 2012 | 9:57 a.m. CDT; updated 2:29 p.m. CDT, Wednesday, August 1, 2012

HAMPTON COURT, England — Kristin Armstrong of the United States won her second straight gold medal in the Olympic cycling time trial Wednesday, beating Judith Arndt of Germany by more than 15 seconds.