For the second year in a row, Nevada City will not be along the route of the 2013 Amgen Tour of California, an annual week-long Tour de France-style cycling road race across the Golden State. Twelve cities in the Bay Area and in Southern California were announced Tuesday to be the 2013 hosts along the race route, no Sierra Nevada cities are included. The division of the route into a south to north course is the first split in the eight-year race’s history. “We were surprised they didn’t at least come up to Sacramento,” said Nevada City Mayor Duane Strawser, …