DEAR JOAN: The last week or so, a hawk has been hunting the squirrels in our backyard in Walnut Creek. The hawk stalks them, flushes them out of the bushes and attacks from low altitude, so far with ...

DEAR JOAN: The last week or so, a hawk has been hunting the squirrels in our backyard in Walnut Creek. The hawk stalks them, flushes them out of the bushes and attacks from low altitude, so far with ...