By Trevor Hughes, USA TODAY
VANCOUVER – Canada’s launch of legal marijuana sales may set the stage for a global cannabis revolution, unleashing a wave of high-quality medical research that could bolster pot's reputation as a healthier alternative to alcohol and tobacco and fuel a economic boom across the USA.
Starting Wednesday, Canada becomes the highest-profile country to not only decriminalize cannabis possession and use, but to tax, regulate and monitor its growth, distribution and sale. Read more >>