But they said it would not gain much ground unless the United States adopted limits on domestic emissions, something the president has been loath to do.

And they have felt pressure from large hospitals and clinics, which have adopted limits on what they will pay for drugs.

The Fed adopted tighter limits on the amount a bank is allowed to lend to its directors, executives and large shareholders.

But while about half have comprehensive limits on campaign contributions, most still need to adopt limits or strengthen existing ones.

Those that continued to air had substantially reduced prizes, and many shows adopted limits on the number of games a player could win (usually five).

Some officials, including Mr. Regan, have voluntarily adopted limits on the contributions they will accept from individuals or companies that do business with them.

If mainstream politicians adopted sensible limits on immigration, then the far right wouldn't have a chance.

In this specific case, the Commission adopted limits for lead and cadmium to come into force in April 2002.

Whether it would be wise for Congress to adopt such limits is debatable; whether it has the authority to do so should not be.

He added: "The Supreme Court recently adopted stricter limits as to what the lawyers can say to the mass media.