Cannabis looks set to become legal in Germany. There will be a THC limit for its use in road traffic, as with alcohol. But setting a limit is difficult. After months if not years of debate, German legislators took a first step on February 23 to legalize canna…

After months if not years of debate, German legislators took a first step on February 23 to legalize cannabis. If the law passes final scrutiny in Germany’s upper house, it will take effect on April …