National privacy laws aren't ready to handle the 10,000
commercial drones predicted to be flying around in US airspace
by 2020, nor the surveillance drones that some local police and
US law enforcement agencies are using already and that many more
are seeking. That's the conclusion voiced by US Senators and
various expert witnesses during a hearing on domestic drone
usage this morning.  "We need to do more to prevent drones from
being used in an invasive manner that violates Americans'
privacy rights," said Sen. Al Franken (D-MN), chairman of the
Senate's subcommittee on privacy, later adding that he hoped his
fellow lawmakers would "continue to work with me on appropriate
legislation" to govern drone usage in the US. Already, several
members of the House of Representatives have introduced bills
targeted at imposing restrictions on drone usage.  "We need to
do more to prevent drones from being used in an invasive
manner."  Although no major privacy violations were cited in the
hearing, the Senators in the Jud