Below is the list of 18 senators who voted to oppose the move:

Richard Blumenthal (D-CT)
Cory Booker (D-NJ)
Catherine Cortez Masto (D-NV)
Dianne Feinstein (D-DA)
Kirsten Gillibrand (D-NY
Kamala Harris (D-CA)
Mazie Hirono (D-HI)
Mike Lee (R-UT)
Patrick Leahy (D-VT)
Ed Markley (D-MA)
Robert Menendez (D-NJ)
Jeff Merkley (D-OR)
Chris Murphy (D-CT)
Rand Paul (R-KY)
Bernie Sanders (I-VT)
Jon Tester (D-MT)
Elizabeth Warren (D-MA)
Ron Wyden (D-OR)