S. 500 · 113th Congress Keeping Our Social Security Promises Act StageIn committee SponsorBernie Sanders Introduced2013-03-07 Latest action2013-03-07 · Introduced in Senate Follow Summary Text Subjects Cosponsors (11) Votes (0) Actions Cosponsors (11) Jeff Merkley Current member Senate OR Democrat Martin Heinrich Current member Senate NM Democrat Brian Schatz Current member Senate HI Democrat Claire McCaskill Former member Senate MO Democrat Richard Blumenthal Current member Senate CT Democrat Barbara Boxer Former member Senate CA Democrat Al Franken Former member Senate MN Democrat Amy Klobuchar Current member Senate MN Democrat Patrick Leahy Former member Senate VT Democrat Harry Reid Former member Senate NV Democrat Sheldon Whitehouse Current member Senate RI Democrat