SEEING satirist, comedian and actor John Clarke standing in the mangroves of Western Port at Hastings, you naturally enough expect a sardonic comment. Perhaps something about the odour of the mud at low tide. Eau de saltmarsh, anyone? A crack about the seagrass? This would look good in the fish pond. But, no, Clarke is on a mission; something completely different, as the Pythons once said. He is a founding board member of Western Port Seagrass Partnership, an independent trust formed in 2001 to lobby for the protection and restoration of Western Port and its catchment. Why does a 65-year-old…