A wreath marks the balcony room where Dr. Martin Luther Kings Jr. was shot at the Lorraine Hotel, Memphis, which is now the National Civil Rights Museum. (Fletcher/Newbern photo) An emotional rollercoaster awaits at the National Civil Rights Museum in Memphis. Visitors often react strongly to exhibits where they can step onto the bus with Rosa Parks and hear the driver bark: “Please move to the back of the bus. I need that seat now!”; sit across from the four African-American