Large crowds packed Pacifica's Linda Mar Beach Saturday for the World Dog Surfing Championships. People watched man's best friend ride some waves. Fans of the event said the dogs look silly, but they were also very impressive. "I like the gathering. It is a big event. A lot of people from all over come and join us. And then, seeing the dogs actually surf is really a funny thing to watch. And they're really good surfers," said Patrick Sayres of Pacifica. The event at the beach also had mobile pet adoptions, a dog costume contest and "yappy hour" for drinks....