"You don't get a first introduction and get so many people on board, but I think it shows the anxiety that people have," Cantwell told CBS' "Face the Nation" on Sunday.
The odds of the bill passing both chambers of Congress and garnering enough signatures to override a Trump veto appear slim, while House Speaker Mike Johnson, R-La., and Senate Majority Leader John Thune, R-S.D., seem to be standing by the White House.
"I'm sure if they listen to their constituents, consumer challenges are already starting to surface, and certainly the stock market's impact on retirement income is shaking a lot of people," Cantwell said. "So I'm sure my colleagues will hear from them."
Rep. Don Bacon, R-Neb., confirmed to Politico on Friday that he plans to introduce a companion measure in the House.