March 26 – Introduced by Senator Richard Durbin of Illinois with 7 original co-sponsors.

Currently @ 32

Sen Feingold, Russell D. [WI] – 3/26/2009
Sen Kennedy, Edward M. [MA] – 3/26/2009
Sen Leahy, Patrick J. [VT] – 3/26/2009
Sen Lieberman, Joseph I. [CT] – 3/26/2009
Sen Lugar, Richard G. [IN] – 3/26/2009
Sen Martinez, Mel [FL] – 3/26/2009
Sen Reid, Harry [NV] – 3/26/2009
Sen Bingaman, Jeff [NM] – 3/30/2009
Sen Boxer, Barbara [CA] – 3/30/2009
Sen Dodd, Christopher J. [CT] – 3/30/2009
Sen Feinstein, Dianne [CA] – 3/30/2009
Sen Gillibrand, Kirsten E. [NY] – 3/31/2009
Sen Harkin, Tom [IA] – 3/31/2009
Sen Kerry, John F. [MA] – 3/30/2009
Sen Menendez, Robert [NJ] – 3/30/2009
Sen Murray, Patty [WA] – 3/30/2009
Sen Nelson, Bill [FL] – 3/30/2009
Sen Whitehouse, Sheldon [RI] – 3/30/2009
Sen Schumer, Charles E. [NY] – 4/2/2009
Sen Cantwell, Maria [WA] – 4/22/2009
Sen Udall, Mark [CO] – 4/29/2009
Sen Inouye, Daniel K. [HI] – 6/25/2009
Sen Sanders, Bernard [VT] – 9/21/2009
Sen Bennet, Michael F. [CO] – 9/24/2009
Sen Cardin, Benjamin L. [MD] – 9/30/2009
Sen Franken, Al [MN] – 10/5/2009
Sen Specter, Arlen [PA] – 10/14/2009
Sen Kaufman, Edward E. [DE] – 10/15/2009
Sen Levin, Carl [MI] – 10/20/2009
Sen Kohl, Herb [WI] – 11/4/2009

Popularity: 17% [?]