[caption id="attachment_8836" align="alignright" width="150"] Rep. Mandela Barnes[/caption] Wisconsin will stop punishing possession of a modest amount of marijuana if state Rep. Mandela Barnes (D-Milwaukee) and state Sen. Chris Larson (D-Milwaukee) have anything to say about it. Along with 14 of their colleagues, they have introduced legislation that would remove all penalties for possession of 25 grams or less of marijuana. If you are a Wisconsin resident, please email your lawmakers in Madison…