I'm sorry if this has been posted a few times already, it never fails I post & five people always followup with duplicate links...LOL! Looks like the U.S. might be interested in getting "involved" with Bitcoin from a regulation standpoint...   
http://arstechnica.com/business/2013/05/us-financial-regulator-we-could-regulate-bitcoin-if-we-wanted/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+arstechnica%2Findex+%28Ars+Technica+-+All+content%29&utm_content=Google+Feedfetcher