In this steamy metropolis of more than 30 million people on the banks of the Yangtze River, it doesn't take much to find people who still talk in reverential terms about Bo Xilai, Chongqing's incarcerated and disgraced former Communist Party head who was removed from office more than five years ago.

By contrast, it is difficult to find anyone who has similar regard for Sun Zhengcai, who lost the same Chongqing party job in July to become the subject of a formal investigation announced last week after being accused by Beijing of failing to rid the city of Bo's influence and legacy.

People remember Bo fondly as a can-do leader who improved law and order, turbo-charged the economy, and rejuvenated dilapidated old city quarters.