On May 31, the lunar month culminates in a Blue Moon — in this case, the second full moon in a calendar month. The "Blue Moon" moniker adds a touch of drama to this full moon, calling to mind the ...

This is FRESH AIR. In the new movie "Blue Moon," Ethan Hawke stars as lyricist Lorenz Hart on the night his former writing partner, Richard Rodgers, scores his greatest hit with the musical "Oklahoma!