In addition to Senators Murray, Booker, Klobuchar, and Luján, Senators Angela Alsobrooks (D-MD), Tammy Baldwin (D-WI), Michael Bennet (D-CO), Richard Blumenthal (D-CT), Lisa Blunt Rochester (D-DE), Maria Cantwell (D-WA), Chris Coons (D-DE), Catherine Cortez Masto (D-NV), Tammy Duckworth (D-IL), Dick Durbin (D-IL), Ruben Gallego (D-AZ), Kirsten Gillibrand (D-NY), Maggie Hassan (D-NH), Martin Heinrich (D-NM), John Hickenlooper (D-CO), Mazie Hirono (D-HI), Tim Kaine (D-VA), Mark Kelly (D-AZ), Andy Kim (D-NJ), Angus King (I-ME), Edward Markey (D-MA), Jeff Merkley (D-OR), Chris Murphy (D-CT), Jon Ossoff (D-GA), Alex Padilla (D-CA), Gary Peters (D-MI), Jack Reed (D-RI), Jacky Rosen (D-NV), Bernie Sanders (I-VT), Brian Schatz (D-HI), Adam Schiff (D-CA), Chuck Schumer (D-NY), Jeanne Shaheen (D-NH), Elissa Slotkin (D-MI), Tina Smith (D-MN), Chris Van Hollen (D-MD), Raphael Warnock (D-GA), Mark Warner (D-VA), Elizabeth Warren (D-MA), Peter Welch (D-VT), Sheldon Whitehouse (D-RI), and Ron Wyden (D-OR) signed the letter.
My question is which Dem Senators aren't signing on and why?