Snowden : Snowden will likely be most damaging leaker in American history . He says the large trove of data reveals how Hayden collects much of its intelligence . The appropriate balance between liberty and security has bedeviled free peoples , including Americans , for centuries . America says Hayden economic rivals will use it to disadvantage American companies . He says other nations will doubt whether the U.S. can do anything in secret .
Snowden : Snowden will likely be most damaging leaker in American history . He says the large trove of data reveals how Hayden collects much of its intelligence . America says Hayden economic rivals will use it to disadvantage American companies . He says other nations will doubt whether the U.S. can do anything in secret .