the constitution but with a fundamental constitutional crisis of competing centres of authority and i don t want to talk about violence in conflicts, but that is extremely serious. violence and conflict. extremely serious. violence and conflict. and conflict. aaron david miller, senior and conflict. aaron david miller, senior fellow - and conflict. aaron david miller, senior fellow at l and conflict. aaron david l miller, senior fellow at the carnegie endowment for international peace, thank you forjoining us. international peace, thank you forjoining ne an investigation by bbc newsnight and the british medicaljournal has uncovered a dispute over controversial research on the impact of abortion on the mental health of women. an independent panel resigned from the britishjournal of psychiatry after their recommendation to withdraw the research, which is still being used in us legal cases restricting abortion access, was not followed. newsnight s science correspondent kate lambl