Where do we draw the line with making our personal…

Where do we draw the line with making our personal religious beliefs enforced by the government ? Things like:

1. Homosexuality

2. Fornication

3. Pornography

4. Abortion

5. Prostitution

6. Drug/Alcohol Use

Should we as Christians want these things to be illegal? Or should we respect the seperation of Church and State and make these acts legal?