What would a US-China cybertreaty really mean?

After weeks of meetings, the U.S. and China appear to be on the verge of an historic first agreement on hacking and cyberespionage. But besides smiles on the faces of Presidents Obama and Xi in front of TV cameras, what might a deal actually accomplish?The two sides are talking because companies are increasingly being hacked for their corporate secrets. Last year the U.S. Department of Justice indicted five Chinese military hackers for attacking U.S. companies and earlier this week National Secu