Experiments are underway on the possibility of using sweet sourgum as a source for fuel ethanol, which can be grown with only about 22% of the irrigation water required for corn. This may make sourgum a viable choice for regions with water shortages.
Diamonds & Rust by Joan Baez. In this song, Joan Baez is singing to her former lover Bob Dylan, fondly reminiscing about their 1960s affair. Baez said that this gave her inspiration to write Diamonds & Rust, and that she lied to Dylan, telling him it was about David Harris, to whom she was married from 1968-1973.
In a memorable sequence, Don, Simpson and Cosmo find a vengeful way to expose Lina even further. Kathy is rushed behind the stage curtain to perform Singin' in the Rain in A flat as Lina pantomimes and mouths the words in front of the curtain. During the performance, they pull the curtain aside, and to the audience's amazement, there is Kathy at a microphone behind Lina, singing the lyrics.