 The recent birth of a white buffalo is being celebrated by members of the Lakota tribe with events planned near the west entrance of Yellowstone National Park. The white calf was spotted earlier this month in the Lamar Valley. For the Lakota, the birth of the rare white buffalo calf is traditionally viewed as a harbinger of better times ahead, as well as a signal more needs to be done to protect the earth and its animals. Among the events taking place, the official naming of the calf. I'm Jack Spear, NPR News in Washington.