Cadel Evans of Switzerland wins opening prologue in 2012 Tour de France . Switzerland finishes seven seconds clear of race favorite Bradley Wiggins . Wiggins gains valuable time on defending champion Cadel Evans . The globalization of the Tour de France . ` Fabian Cancellara of Switzerland hit by puncture midway around 6.4km course in Cancellara .
Cadel Evans of Switzerland wins opening prologue in 2012 Tour de France . Switzerland finishes seven seconds clear of race favorite Bradley Wiggins . Wiggins gains valuable time on defending champion Cadel Evans . Fabian Cancellara of Switzerland hit by puncture midway around 6.4km course in Cancellara .