S. 1964 · 112th Congress Great Lakes Short Sea Shipping Enhancement Act of 2011 StageIn committee SponsorDebbie Stabenow Introduced2011-12-08 Latest action2011-12-08 · Introduced in Senate Follow Summary Text Subjects Cosponsors (3) Votes (0) Actions Cosponsors (3) Amy Klobuchar Current member Senate MN Democrat Carl Levin Former member Senate MI Democrat Rob Portman Former member Senate OH Republican