Profiles of Scottish-Americans who made significant contributions to a young United States on this episode of Simply Scottish. Learn more about Tam Blake, the first recorded Scot in the New World, Founding Father John Witherspoon, Navy captain John Paul Jones, and naturalist John Muir. We'll also look at the history and significance of National Tartan Day in the U.S. and Canada. Enjoy music from Karen Casey & John Doyle, Capercaillie, Natalie MacMaster, and more.