Sardines in a can may not be for everyone, but protein-chasers are obsessed. Amy Lombard for BI When Harrison Weinfeld was growing up, canned fish was his grandpa's go-to snack. The Holocaust survivor living in New England would layer orange marmalade and sardines on pumpernickel bread. At the time, it seemed like "bunker food" of last resort to Weinfeld, not an appetizing choice. Now, Weinfeld is 39 and proudly calls himself The Sardinfluencer, making it his mission to help Americans catch ...