The United State of America - The Atlantic
Too long to post here, but worth the read if you're interested in how the Federal government holds so much sway over the States and how the feds coerce state governments into following their edicts. Gives a good background on historic cases and why the 9th/10th Amendments have been usurped.
"Necessity is the plea for every infringement of human liberty. It is the argument of tyrants; the creed of slaves."-William Pitt the Younger