With Pot Legal, Police Worry About Road Safety

It's settled. Pot, at least certain amounts of it, will soon be legal under state laws in Washington and Colorado. Now, officials in both states are trying to figure out how to keep stoned drivers off the road. Colorado's measure doesn't make any changes to the state's driving-under-the-influence laws, leaving lawmakers and police to worry about its effect on road safety. "We're going to have more impaired drivers," warned John Jackson, police chief in the Denver suburb of Greenwood...Full Story