11.   But Southwest has enforced its policy in scattershot ways and decided to impose it across the board as the airline launches an automated boarding system.

12.   But their authority to enforce company policy is less clear.

13.   Castlebury said prison officials have intensified the ongoing training of prison staffers to ensure that the policies are enforced.

14.   CUNY will be allowed to begin to enforce the policy at four of its senior college campuses in January.

15.   Congress has been under intense public pressure to ensure that the military enforces a policy of zero tolerance for sexual misconduct.

16.   Currently, the federal government alone sets and enforces immigration policy.

17.   District trustees voted unanimously Monday night for the mandate, even though some expressed concerns about forcing uniforms on high school students and how to enforce the policy.

18.   Earlier this year, a number of carriers began tackling the carry-on issue by beefing up and more strongly enforcing policies.

19.   Even though competition policy is not enforced that cleanly in the real world, at least the basic principles are reasonable.

20.   Having a well-defined written policy, Weinstein said, allows boards to enforce the policy without having to apologize for it.