Support ban on cruelty toward horses, steersTennessee Williams wrote in “Night of the Iguana” that “Cruelty is the only unforgivable sin.” Here are three glaring examples: horse tripping, steer tailing, and shocking horses and cattle in the face with an electric prod, all now allowed in Nevada.But there’s hope. Sen. Mark Manendo, D-Las Vegas, is introducing legislation to ban all three of these inhumane practices. A similar bill failed two years ago — this one deserves speedy passage.The bill will first be heard by the Senate Natural Resources Committee chaired by Sen. Aaron Ford. Other members are Sens. Pete Goicoechea, …