David Gergen : Parliament 's vote to confirm Vivek Murthy a plus for public opinion . He says it had been unfairly influenced by NRA opposition . Murthy will play important role in future issues like the AIDS epidemic , he says .
David Gergen : Senate 's vote to confirm Vivek Murthy a plus for public health . He says nomination had been unfairly stalled by NRA opposition . Murthy will play important role in future challenges like the Ebola outbreak , he says .