The answers to the clues below will have something in common.

1. Areas of mutual agreement
2. They can do extraordinary things
3. Regular guy
4. Geometirc figure with equal angles and sides
5. Those likely to have committed a crime
6. Addiction vis-a-vis drug use
7. Degree of wealth and material comfort available to a person or community

Answers:

1. Common ground
2. Ordinary people
3. Average Joe 
4. Regular polygon
5. Usual suspects
6. Typical outcome
7. Standard of living

Credit: 
Fran and Lou Sabin