Marijuana Legalization

I was driving in the car this morning when my dad turned on the news as he does every morning. So i was expecting some boring article on the government shutdown but on comes a report on legalizing marijuana. Which really interests me because its a drug thats always been recognized as bad for you but they now are saying that it is less harmless than any other drug including alcohol which is legal. The reporter talked about how more and more countries are legalizing it and more and more americans are becoming pro legalizing marijuana. Is there any point on keeping it illegal. According to the reporter more and more people are now saying that marijuana is not bad but in some cases, good for you.