On April Fools’ Day 2009, it was not a joke — fortunately just a scare — when Tony Nguyen felt as though he was suffering a heart attack. The following day, the 5-foot-5, 223-pound Type 2 diabetic and his chiweenie (Chihuahua-dachshund mix) sidekick, Chewbacca, got off the couch for a walk around the block of Nguyen’s home in San Francisco’s Outer Richmond district. Read More