How Should Churches Balance the Need for Security With Openness?

Churches and other houses of worship have traditionally kept their facilities open, even when worship services are not taking place. But recent shootings and incidents of gun violence have prompted some congregations to reassess how they can remain open and welcoming while still keeping members secure. Correspondent Lucky Severson reports on the issue and speaks with clergy, laity, and police in Fairfax, Virginia, and Oxford, Mississippi.