Truck driver Alan Nelson of Colorado is used to making long hauls, but not without his best friend riding shotgun, a 23-pound reddish-colored Shiba inu named Sato. Nelson and Sato were reunited last Friday afternoon, after their separation became a news story and galvanized volunteers to search for the dog who ran off from a lower Hudson Valley rest stop. On January 2, Nelson was stopped at a rest area off westbound I-84, about 70......