The left has been 99.5% absorbed by the Borg. The libertarians fighting the establishment GOP are the only flashpoint domegraphic making a significant difference. Check me please if I'm wrong.
Jesse Jackson's address to the Democratic National Convention in 1988 was filled with this term "Common Ground." Below, Lou Reed rips on the Left, Reverend Jackson, and various establishment figures. Delightful lyrics based around the term "Common Ground." I promise you will enjoy this short and tight little song (as a little background for some politics of the time: Austrian president Kurt Waldheim, who had previously been U.N. Secretary General, was discovered, during the presidential campaign, to have been allegedly involved in Nazi war crimes. He was elected anyway. He was barred from entering the U.S. He met with the pope in 1987 and was later knighted by the pope. This was all highly controversial).