Dave G. Houser
Aside from the fact that marijuana is still classified as a Schedule 1 controlled substance (same as heroin and cocaine) by the federal government regardless of how it used — subjecting those who partake to potential criminal prosecution — there’s an even larger and more deep-seated problem looming in states where pot is legal.
In a nutshell, it is the fact that there is no reliable, efficient way to test for stoned drivers.
Even more fundamental, science still lacks data correlating the presence of THC and actual impairment. This makes it difficult to establish legal limits for marijuana impairment in the same manner as for alcohol.
Entire article is available at Multibriefs.com