Bond investors see a lot to be worried about from Washington policy. That could have repercussions for taxpayers.

President Trump’s tax plan has sparked concern among investors, driving Treasury bond yields to a nearly two decade high amid growing worries over U.S. debt.

The House-passed bill includes a large tax cut, as well as more money for defense and immigration enforcement, financed in part by slashing health, nutrition, education and clean energy programs.

The GOP tax bill could boost the highest-earning Americans' incomes while hurting low earners, according to findings from nonpartisan research groups.

Nonpartisan research groups studying the proposal have estimated that it would add more than $2.5 trillion to the federal debt—currently at an all-time high of $36.8 trillion—over the next decade. Despite those projections,