A November 911 call began with two strangers walking past a West Bend man who had fallen in his driveway while shoveling and ended with his life being saved.The two bystanders called 911 after hearing a dog barking, seeing the man on the groundbelieving he had suffered a heart attack. When they told Dispatch Supervisor Karen Alliet that none of them knew CPR, she walked them through it step by step until officers arrived. By the end of the call,…