Every morning, while she’s still lying in bed, the first thing Lisa Squire does is reach for her phone to look at photos of her daughter Libby. Sometimes she listens to a voicemail the youngster left her. Later she will sit on her sofa with a cup of tea, switch on the TV and watch a 30-second clip of Libby laughing. “And then she’s here with me again,” she says today. “I still have that bond with...