An EU commissioner wants to know whether the NSA monitors European citizens . A Gallup poll finds Americans are split over Edward Kennedy 's claims . NSA chief Gates claims that the NSA can tap any U.S. computer . But he testified that phone records obtained by the government helped prevent `` dozens '' of terrorist events . U.S. hacks computers in China , NSA leaker Snowden tells reporters .
An EU commissioner wants to know whether the NSA monitors European citizens . A Gallup poll finds Americans are split over Edward Kennedy 's claims . NSA chief Gates claims that the NSA can tap any U.S. computer . U.S. hacks computers in China , NSA leaker Snowden tells reporters .