Late on 2 June, the US president signed a bill that curtails the National Security Agency's (NSA) ability to bulk collect citizens' communications data. Two years in the making, it is Washington's response to the summer 2013 revelations of ex-NSA contractor Edward Snowden. Henceforth, the NSA must be more targeted in requesting access to telecommunications data. Judicial controls over the process have been strengthened. The Senate passed the law by 67-32 votes on 2 June, a day after the NSA's…