The drugmaker was the "last remaining open-market source of drugs used in executions," The New York Times reported. Other U.S. and European firms had already blocked drugs from use in executions.
The Republican said "most people had never heard of this issue" until recently. He also defended HB2, which requires transgender people to use public bathrooms that correspond with their sex at birth.
Historian Sean Wilentz talks about his new book, The Politicians and the Egalitarians, which explores how partisan politics have always informed the running of the American republic.
Methane is a powerful greenhouse gas, and on Thursday the Obama administration laid out new regulations to stop methane leaks from the oil and gas industry. A report from Colorado explains how that state has brought methane emissions under control.
NPR's Robert Siegel talks to physician and author Siddhartha Mukherjee about how the fight against cancer has changed so dramatically in this era of precisely targeted treatments.
NPR's Robert Siegel talks to Gavin Grimm, a Virginia high school student, who fought his school district to win the right to use the boy's bathroom, after the district limited bathroom use by "biological gender."