1.   Sagan himself attempted to debunk suggestions that there were signs of intelligent life on Mars.

2.   White House spokesman Mike McCurry also debunked suggestions linking the crash to a letter sent to an Islamic newspaper yesterday.

3.   White House spokesman Mike McCurry debunked suggestions linking the crash to a letter sent to an Islamic newspaper yesterday.

4.   Yeltsin was quick this week to debunk the suggestion of Maj. Gen. Aleksandr Korzhakov, his chief bodyguard and confidant, that the elections be put off.

5.   Prosecutors also tried to debunk the suggestion that degradation of a blood sample could transform DNA into a pattern matching that of a suspect.