They also need to be able to communicate successfully with both communities, which have very different priorities.
Or we can turn to the local medical communities, which have proved that they can.
Professor Carr said: "These are old industrial communities which have suffered decline very badly.
But the statistics have not added up to progress in many poor communities, which have won their first reliable water services but now struggle to pay for them.
This is a vast and expensive programme that is aimed first at the poorest communities, which have the greatest need for extra education and school meals.
And for manufacturing-dependent communities, which have seen their buildings gutted, and their populations in rapid decline, our hearts break as consistently as our policies fail.
Analysts say the new law could send a chill through China's online communities, which have been used with increasing frequency as a platform for reporting official malfeasance.
Ways to address this have not been made available to secondary schools, so I solicited help from the adult literacy and military communities, which have this expertise.
The AMCU is also organising among poor workers and their shack settlement communities, which have become no-go zones for police.
"Now we need to test that and we need the [warring factions] to enable us to get into these communities which have been absolutely devastated," he added.
The communities, which have a total of about 1,100 homes, are all but hidden from view, with most of the streets sealed off from the surrounding neighborhoods.
