Rep. Ro Khanna, Sen. Bill Cassidy, Rep. Maria Elvira Salazar, Gary Cohn

This week on Face the Nation, President Trump bars three major news organizations from covering the White House as Republican concern over the impact of his policies continues to grow.The countdown clock to the midterm elections continues to tick down, but the rest of the numbers affecting the economy continue to go up. We're now 200 days into the war with Iran...and gas prices remain high, with diesel prices at new record highs.But promises those gas prices will come down soon are wearing thin with some Republicans. Especially in Iowa, where farmers are struggling and where two House Republicans in tight races voted last week to oppose the President's open-ended war in Iran. And Trump's deportation policy is an issue for Republicans in some districts, Florida Congresswoman Maria Elvira Salazar made a direct appeal to the President in a campaign ad.We'll talk with Congresswoman Salazar, California Democrat Ro Khanna, plus Louisiana Republican Senator Bill Cassidy and Trump first term economic advisor Gary Cohn.Finally, we'll hear another viewpoint in the debate over how to manage the fast moving pace of Artificial Intelligence development as our Jo Ling Kent spoke with Nvidia CEO Jensen Huang.It's all just ahead on Face the Nation.