Senate to ban designer drug substances to end cat-and-mouse game

The senate is expected to pass legislation today which will ban an entire group of chemicals used to make illegal synthetic drugs in an effort to prevent drugs gangs outwitting the law. Until now, each new drug has to be put on list of illegal drugs separately. That means manufacturers had to only change one molecule of one of the substances in the drug to make it legal again. For example, when designer drug 4-MMC was put on the list,...