Swiss voters are casting ballots to decide whether to grant new powers to Switzerland's intelligence services, such as tracking internet activity, snooping on email boxes and tapping phones to better fight spies, criminal hackers and violent extremists. A new intelligence law, plus pension reforms and environmental policy, are the three issues being considered in today's referendum. Proponents say the law, passed a year ago but not enacted, is needed to help Switzerland catch up with other countries who have stronger legal arsenals to counter cyber-crime, snooping or extremist attacks.<br/><br/>Swiss law currently bars authorities from using anything more than publicly available information or tips from foreign officials when monitoring threats inside the country.<br/>