Peter O’Connor has simplified his view of life. “We’re each other’s brothers and sisters,” said O’Connor, 82. “We should stop the fighting and start helping each other. If you’re going to do that, it starts with decent housing, that leads to decent education. If you don’t have those two elements it’s hard to move to the next level.” O’Connor is not just “talking the talk.” For most of his 82 years, he has put talk into action. Forty-nine years ago, he was the lead attorney in a landmark case that established that each municipality in New Jersey is required to provide a “fair share” of low-to-m…