Rebellious crowds of townspeople in a rural area in central Mexico are defying police and soldiers to steal diesel from illegally tapped pipelines, creating what officials call an imminent threat of tragedies like fires that have burned dozens of people at other sites in Mexico. The sight of a crowd of men, women and youths gathered around a huge pool of diesel with buckets in the central state of Tlaxcala exemplifies the trend in pipeline thefts…