Presentation on Research paper

please follow the details and information below to give me the best work, remember the topic is about: 

 https://drive.google.com/file/d/0B0ALtvcrjZRqOW5Ramw2SXFQWUE/view

Should the federal government legalize Marijuana? 

Choose either should or should not but please be specific and inform more details about the choice. 
Explain more about the long term and short term effects. 

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