On the cusp of the 250th anniversary of its founding, the United States of America is at a crossroads. For those invested in the history of our nation, it’s clear this isn’t the first time the country has stood on the edge of something unprecedented, nor will it be the last. From director Brian Knappenberger, Netflix ’s latest docuseries, “ The American Experiment ,” executive produced by Tom Hanks, is an overarching account of the Revolutionary War, the origins of our nation and the principles