Iran, Blind Cooking, American Antisemitism

What does Iran’s new leader mean for relations with America—and a new nuclear deal? Then, a trained chef relearns how to cook after losing her eyesight. And, why one scholar of Jewish history says antisemitism is an American tradition. Additionally, on today's show: building a city that is both functional and sustainable can be complex; older people might want to start playing video games to improve memory; genetic engineering makes chickpeas more drought-tolerant.