Bay State dogs may soon end up on a shorter leash if state and local legislators get their way. From lap dogs to pit bulls, none of the state’s pooches will escape the latest round of canine crackdowns. “You can’t allow people to be afraid all the time,” said Avril T. Elkort, vice chairwoman of the Canton Board of Selectmen, where a new ordinance limits residents to one pit bull per household. “It was a public safety issue.” Canton animal control officer Ellen Barnett objected to the new regulation. “The problem I had with it is that it was too...