“Qualified Immunity’s 51 Imperfect Solutions” Walker, Christopher J. WWW HEIN Constitutional Law Civil Rights Duke Journal of Constitutional Law and Public Policy 2022 “Qualified Immunity and Federalism” Walker, Christopher J. WWW HEIN Constitutional Law Civil Rights Georgetown Law Journal 2020 “A Qualified Defense of Qualified Immunity” Walker, Christopher J. WWW HEIN Constitutional Law Civil Rights Notre Dame Law Review 2018 “The New Qualified Immunity” Walker, Christopher J. WWW HEIN Constitutional Law Civil Rights Southern California Law Review 2015