The Dean of Boston Jazz Radio, WGBH's Eric Jackson and WBGO's midday host Rhonda Hamilton have known each other for many years. WGBH is celebrating Erick Jackson's 40th anniversary at that public radio station in Boston with a series of events and honors. Who better to chat with Eric than Rhonda Hamilton? Hamilton is nearing her 40th year at Newark's jazz institution WBGO. Click above to hear their conversation.