KLRU Schedule | | PBS NewsHour full episode May 4, 2016

Wednesday on the NewsHour, three presidential candidates remain after Bernie Sanders scores an upset in Indiana and Donald Trump emerges as the presumptive GOP nominee. Also: The U.S. role in fighting ISIS, why half of teenagers say they’re addicted to their phones, the shocking number of deaths attributed to medical errors, why Ben Carson became a Trump supporter and the life of James Brown.