Caleb’s the sort of dog everyone turns to look at. A shimmering golden retriever, Caleb, looks like Air Bud. He loves running on the beach, is called “California Caleb” on Instagram, and lives in West Los Angeles with his owner, Rich Cooper. Cooper stopped Steven Eidelman, founder and CEO of veterinary clinic network Modern Animal mid-walk. “You’re the Modern Animal guy, right?” Cooper asked Eidelman, who confirmed he is, in fact, The Modern Animal Guy. Eidelman’s not LA famous by any means, but...