What are 5 examples how the courts have used the Commerce Clause to increase the power of the Federal Government over the states.
http://www.google.com/search?hl=en&client=firefox-a&hs=I7X&rlz=1R1GGGL_en___US357&q=how+courts+used+Commerce+Clause&btnG=Search&aq=f&aqi=&aql=&oq=&gs_rfai=
Read several of these, especially the second one and the last one.