ACTON - Cycling fans from near and far gathered along Soledad Canyon on Saturday to see cycling champions, including seven-time Tour de France winner Lance Armstrong, compete in a stage of the Amgen Tour of California. In Stage 7 of a 750-mile race that started in Sacramento, cyclists rolled out at noon from Santa Clarita, wound through Soledad Canyon into Acton and then turned right on Aliso Canyon Road en route to Angeles Crest Highway and a ride over the San Gabriel Mountains to the Rose Bowl in Pasadena. About 1:15 p.m., more than a hundred spectators watched the pelaton,...