Signs advertise medical marijuana prescriptions outside an evaluation clinic on Venice Beach in Los Angeles. (PHOTO CREDIT: MARK RALSTON/AFP/GETTY IMAGES) FROM CNN's Jack Cafferty: Public support for legalizing marijuana is at an all-time high – no pun intended. And coincidentally, the Obama administration is easing up on the use of medical marijuana. The Justice Department … Continue reading Federal gov't OKs medical marijuana. First step toward legalization?