Tonight at the Dolby Theatre, renaissance entertainment icon Barbra Streisand opened PaleyFest with a bang, joining Ryan Murphy (9-1-1, American Crime Story) for a sprawling conversation about her legendary career. The only musical artist ever to have #1 albums spanning six decades, Streisand was honored tonight with the Paley Center for Media’s Icon Award, acknowledged for her groundbreaking work as an actress, director, producer and singer-songwriter which, over the…