Smog and a hard place - China regions caught between economic woes and pollution war

BEIJING/SHANGHAI (Reuters) - Amid a slowing economy and a slew of mixed signals from the environment ministry, China's embattled local governments are facing a dilemma: do they go all out to curb smog this winter, or do their best to keep factories humming?China has promised to put an end to a "growth at all costs" economic model, which has blackened its skies and contaminated large stretches of its water and soil. The government just embarked on another winter campaign against polluters in a..