50 of the least offensive jokes I know. 1. When does a car stop being a car? When it's driving down the road and turns into a driveway. 2. What do you get when you cross a brown chicken and a brown cow? Brownchickenbrowncow. *Edited to lower offense levels* 3. Why do Programmers wear costumes on Christmas? Because DEC 25 is OCT 31. *Edited to lower offense levels* 4. How do you throw a party in space? You planet. 5. Where does the king keep his armies? In his sleevies. 6. How many mosquitoes doe…