The first week (August 10 – 16) of competition at the Beijing 2008 Olympics saw some encouraging efforts by Peruvian athletes but no medals. Here is a roundup of how Peru’s 13-member Olympic delegation has performed so far, along with buzz about the athletes from English-speaking media, bloggers and fans. (Plus blog reactions by Peru athletes like Peter Lopez, who posted the photo above on his Olympic blog “Camino a la Gloria” (Road to Glory) on Monday, Aug. 11.) SIXTO BARRERA / WRESTLING  Wrestler Sixto Barrera, considered by many to be Peru’s best chance for a medal, got off to a strong start on Tuesday (Aug. 12), when he trounced the…