President Donald Trump signed a sweeping executive order Monday morning that promises to crack down on “unreasonable or discriminatory” practices by foreign countries that result in Americans paying far higher costs for prescription drugs.

President Donald Trump has signed a sweeping executive order setting a 30-day deadline for drugmakers to lower the cost of prescription drugs in the U.S.

The president directed his administration to tie drug prices that the U.S. pays to those paid by other countries.