We explore what we can learn from Germany's recent experience with immigrants and refugees. Host Christopher Conover talks with an expert involved in writing immigration policy, a Syrian refugee now living in Berlin, and a German reporter who has covered immigration in Europe and the U.S.-Mexico border.

We all live with herpes viruses, but in most of us they are latent and benign. University of Arizona researcher Felicia Goodrum is studying one type of virus to find out why it transforms into an active state to cause birth defects, disease and even death.