U.S. lawmakers are looking for alternatives to help them kill. The lethal-injection drugs used to execute prisoners on death row are in short supply, and there is concern over how effective they are anyway. But some of the other methods being considered are neither new, or campaigners say, humane. RT's Marina Portnaya reports.br br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ br RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.