Newseum.
Yoichi Okamoto/LBJ Library (In a 1968 photo from the Newseum exhibit, President Lyndon B. Johnson howls along with "Yuki," named after the Japanese word for snow, as grandson Patrick Lyndon Nugent watches in wonder. Johnson's youngest daughter, Luci, found the mutt -- his proclaimed favorite pet -- abandoned at a Texas gas station on Thanksgiving Day in 1966.) The president's best friend has often been a pooch -- providing rough and tumble fun and companionship to offset the serious business of running the country. This year, the Newseum in Washington, D.C. explores that relationship, offering a closer look at the lives of the nation's "First Dogs." Cathy Trost, the director of ...