Lying & Truth-telling

1. Is lying sometimes permissible? When?

2. Is it immoral to lie to a child about Santa Claus?

3. Is it immoral for a doctor to lie to a patient about his health condition?

4. Is 'not telling the truth' a lie?

5. Would you trust a friend who had lied to you?

6. Would you trust a friend who had lied to you?

7. In what circumstances, if any, it is acceptable to tell a lie?