As we all learned from watching Schoolhouse Rock, there are three branches of government in a separation of powers. Nevertheless, the Legislative Branch has been infringed on by the other two branches and has been too weak to reassert itself in its function.
This is best exemplified by immigration laws. There are laws on the books passed by the Legislative Branch, and others which have NOT been passed by the Legislative Branch. The Executive Branch has refused to enforce the laws it doesn't like, such as deportations, and has enforced laws which are not on the books, such as the Dream Act.
The Supreme Court will likely have a deadlock on the Executive Branch's lawlessness, which should have been met with IMPEACHMENT, instead of having to go to a deadlocked Supreme Court in the first place.
For further reading on this, see below:
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