Buenos Aires is not Chicago and Chicago is not Buenos Aires. Yet these two cities are connected in a strange way by a set of bleeding heARTS. Callie Humphrey and I met during an installation of a show about street art and graffiti art back in September of 2010. Realizing that we both had similar interests, we decided to keep our elbows within reach. Last week via Skype, Callie indulged me with amazement by detailing the progress of her public art project Concrete = Canvas, which is set to launch in coming weeks in Buenos Aires, Argentina. The C=C Kickstarter campaign ends this week and funds from the campaign will be used to supplement expenses for the first C=C project, “Project Buenos Aires: From Concret to Canvas.”  Meet Callie Humphrey, the genius creative mind behind Concrete = Canvas, “Transforming concrete jungles into vibrant urban canvas, one building, one city, at a time.” Callie, how is Buenos Aires? You have been down there for a few months now for the launch of your project Concrete = …