It seems to me that any sensible person must see that violence does not change the world and if it does then only temporarily.
There must be people who remember World War II and the Holocaust who can help...
You do have to change things as warfare changes.
My first ever job after college was as a flight attendant. I wanted to travel and could not afford it so I decided to get myself a job where I could travel. I did it for two years and had great fun.
