Coming up on today’s show:

• President Obama arrives in Saudi Arabia on Wednesday. Robin Wright, joint fellow at the U.S. Institute of Peace and the Woodrow Wilson International Center for Scholars, discusses the uncertain future and shifting relationship between Saudi Arabia and the U.S. 

• There is a growing international movement to stop arms sales to the Saudi government, which is one of the biggest arms purchasers on the planet. U.S. Senator Chris Murphy, co-sponsor of a resolution to temporarily halt future sales of aerial munitions to Saudi Arabia, explains.

• Tonight, the third episode of “10 That Changed America,” from PBS and Chicago station WTTW, will air. Geoffrey Baer, host of the “10 that Changed America” series, discusses the 10 towns that changed the United States.

• It’s Election Day in the Empire State. As primary voters in New York head to the polls, listeners from around the state share their political perspectives.

• Morocco has become a de facto destination for immigrants shut out of Europe. For a deeper look at migration to and from Morocco, The Takeaway speaks to Kelsey Norman, a doctoral candidate at the University of California, Irvine, who has studied the migration policies of countries around the Mediterranean. 

• Though he’s currently an English professor at Massachusetts Bay Community College, Mohamed Zefzaf was born in Morocco, and he moved to Belgium’s Molenbeek neighborhood at the age of 10 with his family. He shares his story, and explains what it means to be a Moroccan. 

• In a new book, “Negotiating the Nonnegotiable,” Daniel Shapiro explores the art of dealmaking outside of the boardroom, and in the political arena where a partisan divide makes it inherently difficult. Shapiro is founder and director of the Harvard International Negotiation Program.