But just because the rules keep changing, it doesn't mean we should give up the game.

"The second rule of engagement is always take the high ground and keep it."

"The problem is that the rules keep changing and there's really no one to turn to for justice or due process."

Airlines are also not sure what their global plans should be, because the rules keep changing.

"Somehow those two rules just keep finding a way to be in conflict."

Now, there finally are, or soon will be, comprehensive rules in place to keep everyone safe.

But we have no system to make people follow the rules to keep school children safe?

"I'd never testify against you, but even if I did, the rule she's talking about would keep there from being any case."

Unwritten rules keep the couple out of each other's hair.

Certainly, the media markets have changed, and our rules must keep pace.