Mr. Gardner, of the Urban Gardener column of fame from the Wall Street Journal, met up with me recently to discuss my foray into the newest national and international currency obsession: Bitcoins. Of course, to that end, he came to the NYC Bitcoin Center (where my work is on view until September!) and we chatted about the past, present, and possible future of currency. While perhaps he isn't ready to to invest in Bitcoins yet, nonetheless he still retains a fondness for traditional physical currency. Click here to see the article.