If the citizenry voices their concerns loud enough, they can put pressure on congress to make a new law.
The Supreme Court holds the power to interpret laws and declare them unconstitutional under the principle of judicial review. While Congress doesn't technically have the power to overrule a Supreme Court decision, it can take actions to lessen, or even negate, the effect of a court ruling. Congress can thereby render the court's interpretation obsolete, either by passing a new law or amending the old law to better achieve its original intent.
http://classroom.synonym.com/can-congress-override-court-ruling-9639.html
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