Doubts abound over US action on cybersecurity

How should the U.S. respond to cyber attacks? That’s been a major question at this year’s RSA security conference, following Russia’s suspected attempt to influence last year’s election.
Clearly, the government should be doing more on cybersecurity, said U.S. lawmakers and officials at the show, but they admit that politics and policy conflicts have hampered the government's approach. 
“I wish the federal government could do this, but it’s very hard