Before revision: Work by researchers such as American political scientist Robert D. Putnam and a 2006 study by McPherson, Smith-Lovin and Brasiers published in the American Sociological Review seem to support at least the more moderate neotribalist arguments
After revision: .Work by researchers such as American political scientist Robert D. Putnam and a 2006 study by McPherson, Smith-Lovin and Brasiers published in the American Sociological Review seem to support at least the more moderate neotribalist arguments