Stimulant medications include: 1  Amphetamine sulfate (Evekeo). 2  Dextroamphetamine (Adderall and Adderall XR, Dexedrine, ProCentra, Zenzedi). 3  Dexmethylphenidate (Focalin and Focalin XR). 4  Lisdexamfetamine (Vyvanse).
exists and is an alternate of . The Judicial Branch can declare a Presidential Order (called an Executive Order) unconstitutional. While the US Supreme Court is the final arbiter of constitutionality, even US District Courts can overturn an Executive Order, as was the case with President Obama's moratorium on deep water drilling in the Gulf.
For example, both houses of Congress must vote to enact laws, the president can veto legislation, and the Supreme Court can rule laws unconstitutional. Congress can override presidential vetoes. The president nominates Supreme Court justices, but the Senate can refuse to confirm the nominees.