A special needs charity is to host a horse racing night with Chris Tarrant. The former Who Wants to be a Millionaire? presenter will be introducing the evening with Thatcham-based charity Swings & Smiles in May. The night will raise funds for play and respite resources for disabled children and their families. Guests will bet on horses for eight different randomly selected races with the help of a professional race host. Chris Tarrant said: “The work Swings & Smiles does for disabled children and their families is incredible. “I’m really looking forward to supporting what promises to be a huge…