It's the 1968 revolution you never heard of. Forty years ago today, tucked in between the assassinations of the Rev. Martin Luther King Jr. and Robert F. Kennedy, a U.S. Supreme Court ruling repudiated centuries of settled law by granting constitutional recognition and protection to a previously outcast group: children born outside of marriage and their parents. The cases arose out of two private tragedies in Louisiana. Minnie Glona's 19-year-old son was killed in a car accident.