The first family place an item inside a time capsule at the dedication ceremony of the Martin Luther King, Jr. Memorial in West Potomac Park in Washington, October 16, 2011. Pictured are (L-R) U.S. President Barack Obama, Sasha, Malia, first lady Michelle Obama and her mother, Mariam Robinson. REUTERS/Larry Downing (UNITED STATES – Tags: POLITICS ANNIVERSARY SOCIETY OBITUARY RELIGION)