 Habermas (1995) provides the most well-known illustration of the tension in Rawls. Gaus (2011) opts for overlapping consensus/convergence justifications. Quong (2011) opts for free-standing/consensus justifications. Vallier and Muldoon (2021) argue that these answers generate two public reason projects. Gaus founded a “diversity project” focused on how diverse reasoning resolves social conflicts. Quong founded a “coherence project” focused on rendering key political concepts coherent.