S. 401 · 116th Congress Hold the Low-Yield Nuclear Explosive Act StageIn committee SponsorEd Markey Introduced2019-02-07 Latest action2019-02-07 · Introduced in Senate Follow Summary Text Subjects Cosponsors (7) Votes (0) Actions Cosponsors (7) Dianne Feinstein Former member Senate CA Democrat Kirsten Gillibrand Current member Senate NY Democrat Jeff Merkley Current member Senate OR Democrat Christopher Murphy Current member Senate CT Democrat Bernie Sanders Current member Senate VT Independent Chris Van Hollen Current member Senate MD Democrat Elizabeth Warren Current member Senate MA Democrat