Possible Clues:

• Some rds
• NFL players who aren't on the left
• Some state roads (abbr.)
• N.F.L. linemen: Abbr
• ACLU issues (Abbr.)
• Many activists' concerns: Abbr
• Gridiron positions: Abbr
• They may be constitutional: Abbr
• Arrest readings: Abbr
• 'Parallel Lives' writer