The first rule of communication is know your audience. But how well do you really know those fine people who support good causes? Nicola Long asks Gavin Coopey to share his insight. The first rule of communication is know your audience. But how well do you really know those fine people who support good causes? Nicola Long asks Gavin Coopey to share his insight. NL: Gavin, we hear a lot about declining trust these days. How big a problem is it? GC: We often hear about donor fatigue and declining trust in charities but our research (supported by international research) tells us the real story is more nuanced and complex…