Discipline and Practice : The (Ir)resistibility of Theory

Has theory become resistible? Has it betrayed its promise, and sold out on its practice? Should theory, after having become a discipline, still lay claims on the radical, or should it embrace its establishment within the university? What future(s) could theory have if there is (dis)agreement about its present(s) and its past(s), and what and how should it from now proceed to read?