Democrats have offered a new set of proposals to curb prescription drug prices. One wonders what problem they actually seek to solve.

After all, the current program is popular and working as planned. Some 84% of respondents to a recent survey say their Medicare Part D premiums are affordable; 76% say their out-of-pocket costs are reasonable; 83% say having a wide choice of plans is advantageous, and three-fourths say Part D covers all the medicines their doctors prescribe.