It is doubtful that Democrats and Republicans can follow the Chilean path. It’s easy for politicians to bemoan the absence of civility and cooperation, or to wax nostalgic about the bipartisanship of a bygone era. But norm creation is a collective venture—it is only possible when a critical mass of leaders accepts and plays by new unwritten rules. This usually happens when political leaders from across the spectrum have stared into the abyss and realized that if they do not find a way of addressing polarization, democracy will die. Often, it is only when politicians suffer the trauma of
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