When I graduated high school, in 1969, a $20 bill had about as much value as a $100 bill today. Inflation has taken a toll. In 1969, $500 and $1,000 bills were still in reasonably common circulation. They had been issued up until 1945. With the turn toward ever increasing government snooping and tracking of financial transactions, the bills were taken out of circulation with an executive order by President Richard Nixon. It is long past due to bring the $500 bill back into common use. The European Union issues 500 Euro bills. Cash is useful for preserving privacy...