11.   And the biggest threat comes not from Whitman, who is also considering making a bid for the Senate seat, but from leaders within his own party.

12.   Another threat comes from North Korea, a hostile state that suffers from a deep inferiority complex as it increasingly relies on foreign aid.

13.   Another threat comes from the intensifying construction of corporate parks, malls, movie multiplexes and subdivisions around the reservoirs after half a decade of relative inactivity.

14.   Another threat comes from politicians who are demanding that the Bank of Japan adopt an inflation target to battle price declines.

15.   Any remotely possible nuclear threat would come not from Russia or China but some minor, irresponsible terrorist nation we could certainly overcome.

16.   Another potential threat comes from Washington.

17.   Another threat might come from the inside, from acts committed by employees or others with permission to be in the plant.

18.   A State Department official said that he did not know whether the threats came from supporters of Hamas or Hezbollah.

19.   But a US official, speaking on condition of anonymity, told the Associated Press that the threat comes from people with links to Al Qaeda.

20.   But hanging in there, Grady said, is difficult when the threat comes from within.