Powerful People: Edward Snowden, Idina Menzel, Shakespeare and Kevin Spacey

Kevin Spacey attends the Oscars held at Hollywood & Highland Center on March 2, 2014 in Hollywood, California.

Anna Sale fills in for Leonard Lopate. On today’s show: Vanity Fair’s Sarah Ellison talks about interviewing former NSA contractor Edward Snowden and why he says he leaked thousands of secret documents. Idina Menzel, director Michael Greif, and lyricist Brian Yorkey talk about the new Broadway musical “If/Then.” James Shapiro explains how William Shakespeare has influenced American literature. And Kevin Spacey, artistic director of London’s Old Vic, talks about the Bridge Project and traveling across three continents to perform “Richard III.”