Ever wanted to know the answer to some deep and challenging questions in halakhah (Jewish law)? Join R. Avi Killip interviewing R. Ethan Tucker  with questions sent in by Yeshivat Hadar alumni and others on all sorts of details of Jewish law. This is a joint project between the Center for Jewish Law and Values and Jewish Public Media.

Want to submit a question to be answered in a future episode? Email halakhah@mechonhadar.org.

In this episode: You're supposed to check a mezuzah every few years. But why?