Pictures Presidential Pooches Throughout The Decades February 20, 2012 / 2:07 PM EST / CBS News Photo Credit: Mike Hewitt/Getty Images Presidential Pooches Photo Credit: Christopher Furlong/Getty Images Presidential Pooches Photo Credit: Christopher Furlong/Getty Images Presidential Pooches Photo Credit: MICHAL CIZEK/AFP/Getty Images Presidential Pooches Photo Credit: TIMOTHY A. CLARY/AFP/Getty Images Presidential Pooches Photo Credit: Christian Keenan/Getty Images Presidential Pooches Photo Credit: Chip Somodevilla/Getty Images Presidential Pooches Photo Credit: Win McNamee/Getty Images