Innovation Hub Published by Innovation Hub Silicon Valley's Immigrant Roots Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/734855/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Where else have we seen an immigration ban like Trump's? Walter Isaacson walks us through the history of immigration and innovation.