Deformed puppy, rescued from trash, learns to walk

Sometimes the only humane thing to do is to put a dog to sleep. Just three weeks ago, Erica Daniel steeled herself to take that difficult step with Harper, a small puppy in her care.Daniel, 26, fosters dogs that need serious help, and Harper had come to her in the most desperate of circumstances. On Aug. 31, a woman in Sanford, Fla., first encountered the little dog when she spotted a squirming ga