As the Omaha-bred rockers of alternative radio fame commemorate three decades of music making, this 311 head reflects on growing up with the best band in the land — According to its etymology, which is the same as that of mission, a message is always composed of truths sent (missus) to a person, a group, a period in time, to satisfy an expectation and sometimes to answer a call for help. — Jean Leclerq, O.S.B. …