STRAIGHT AND NARROW
Credit: LA Times Crossword
Sylvia Bursztyn and Barry Tunick  (#1-7)

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

1. Take a risk or tell it as it is
2. Intimated, implied - though not spoken or written
3. Popular 1950's panel show about jobs
4. Enrich yourself excessively
5. Write a brief note or letter
6. Set a limit
7. Maintain standards
8. Disneyland downer
9. Civil War boundary
10. Strictly follow rules and instructions
11. Certain hit in baseball
12. Popular country-western activity
13. Type of bank loan
14. Navigate between two opposing interests
15. Ball placement in football
16. First responder's modest words
17. Aggressive, unyielding - as in policics
18. Rein in differing views into a unified position

Answers:

1. Lay it on the line.
2. Between the lines
3. "What's My Line?"
4. Line one's pockets
5. Drop a line
6. Draw the line
7. Hold the line
8. Waiting in line
9. Mason-Dixon Line
10. Toe the line
11. Line drive
12. Line dance
13. Line of credit
14. Walk the line
15. Line of scrimmage
16. "It was all in the line of duty."
17. Hard-line
18. Bring into line