If pro is the opposite of con, what's the opposite of progress?
Congress!

A skeleton walks down empty Main Street. Suddenly he sees another skeleton carrying a gravestone. "Hey, what are you doing?” the other skeleton answers "Just strolling", "Why do have the gravestone, buddy?", "Because I always want to have some ID”.

Q: Did you hear about the fire in the bakery?
A: It burned 20 cakes and 30 loaves of bread, and there were plenty of hot cross buns!

A skeleton walks down empty Main Street. Suddenly he sees another skeleton carrying a gravestone. "Hey, what are you doing?” the other skeleton answers "Just strolling", "Why do have the gravestone, buddy?", "Because I always want to have some ID”.