who are the members of the united states senate?
['Baldwin, Tammy - (D - WI)', 'Barrasso, John - (R - WY)', 'Blackburn, Marsha - (R - TN)', 'Braun, Mike - (R - IN)', 'Brown, Sherrod - (D - OH)', 'Cantwell, Maria - (D - WA)', 'Cardin, Benjamin L. - ( D - MD)', 'Carper, Thomas R. - ( D - DE)']