While China has long banned the most outspoken proponents of democracy from entering the mainland, it has usually allowed moderate politicians to enter.

Schools have long banned students from smoking, but a growing number are employing drug tests to detect whether pupils are using tobacco.

New Federal Restrictions Some 30 states have long banned smoking on public transportation and in health care centers, except for designated areas.

The presence of an ashtray is sometimes commented upon, given that smoking has been long banned on flights in many parts of the world.

But not in New York, where state law has long banned fireworks for individual use, while allowing professional displays.

The laws of most states, based on English common law, have long banned the execution of the insane.

Connecticut has long banned the sales of stripers taken from its waters.

Poems and novels long banned are appearing in a flood.

American law has long banned the importation of prison-made goods from anywhere.