Tonight, a revival of the musical “Pippin” opens on Broadway — more than 40 years after the show first debuted. We speak with director Diane Paulus, who has incorporated circus elements into the show.

Scientists at Harvard University’s Stem Cell Institute say they have found a new gene that produces a hormone that could radically improve treatment for type 2 diabetes.

Dzhokhar Tsarnaev, 19, has been charged with using a weapon of mass destruction – a pressure cooker bomb – in the Boston Marathon bombings. We take a look at the legal definition of a WMD.

Former Boston police lieutenant Tom Nolan commends first responders for their overall handling of the marathon bombing and investigation, but he questions the armed house-to-house searches.

Questions are being raised about what the CIA and FBI knew about Tamerlan Tsarnaev – the deceased suspect in the Boston Marathon bombings – months and years before the attack.

Here & Now producer Emiko Tamagawa doesn’t run. But she loves the Boston Marathon and spotting those brightly colored bags.

From Phoenix to David Bowie.

Poet and writing professor Lloyd Schwartz, who’s also a regular commentator for NPR’s “Fresh Air,” shares some of his favorite new poets. You can read a poem from each one.

The most extensive and sophisticated surveillance operation is in New York City, where cameras are linked up with sophisticated computer programs that can pinpoint suspicious activity.

The European Union’s anti-terror chief says that hundreds of Europeans are now fighting with rebel forces in Syria. There’s concern that some the fighters could join al-Qaida-linked groups.

Colleges are creating unmanned aircraft programs to meet the demand of the growing drone industry. A recent study says the industry could create 70,000 jobs in the next decade.

Police have a new “person of interest” in the investigation of ricin-laced letters sent to President Barack Obama, Mississippi U.S. Senator Roger Wicker and a county judge in Mississippi.

From Phoenix to The Postelles.

The Seattle-based band Heart, founded by sisters Ann and Nancy Wilson, was inducted into the Rock and Roll Hall of Fame last week. Best known for their hits in the 70s, the sisters are as busy as ever.