Booker, D-N.J., Ben Cardin, D-Md.; Tom Carper, D-Del.; Kirsten Gillibrand, D-N.Y.; Tim Kaine, D-Va., Sherrod Brown, D-Ohio; Mark Warner, D-Va., Jerry Merkley, D-Oregon and Chris Coons, D-Del. West Virginia Democratic Senate candidate Natalie Tennant, who lost her Nov. 4 race, also donated $2,000.