The City of Medford's annual celebration of Dr. Martin Luther King Jr. Day will feature "Undercovering Medford's Black History: A Discovery Tour." Explore Medford's Black history while learning about Dr. King and the movement for Black lives that continues today. This will be an outdoor, socially-distanced and masked “go at your own pace” event taking place the entire weekend. Clues and activities for all ages, as well as a map, will be released on January 16. Presented by the Medford…