NPR's Ari Shapiro speaks with Caitlin Rivers of Johns Hopkins Bloomberg School of Public Health about long-term implications of measles outbreaks in West Texas, New Mexico and a dozen other states.

NPR's Juana Summers speaks with author Jennifer Weiner about her latest book -- The Griffin Sisters' Greatest Hits.

NPR's Ailsa Chang speaks with GOP Rep. Jeff Hurd of Colorado about a bill he is co-sponsoring that would limit the president's authority on tariffs and require congressional approval for the measures.