Provide a thoughtful answer (150-300 words) to the following question:

While the word 'federalism' is not in the U.S. Constitution, it is one of the principles the American government is built upon. Reflecting on today's government, is federalism still needed? Explain.

You must incorporate and cite information from the textbook AND atleast one (1) additional source (i.e., primary, news article, podcast, journal, TV news, etc.) to bolster your argument. Provide proper citation information at the end of your post.