Washington PostIn Mexico City, hopes of finding quake survivors dwindleWashington PostMEXICO CITY — Five days after the deadly magnitude 7.1 earthquake, the hulking wreckage of what used to be a seven-story office building is essentially the last hope: one of just two sites left where searchers believe they may still find someone ...Tremor Shakes Mexico as Hope Dims of Finding Quake SurvivorsU.S.