'We received enough indications over the past few days that he could have gone through with it,' a senior spokesman said.
One executive said that Mr. Cronkite may be given the role of senior corporate spokesman.
Dan Senor, a senior spokesman for the occupation authorities, said there would be no warning.
"The trends are the best we've seen in some time," said Richard Starmann, the company's senior spokesman, in a statement.
He served as the senior spokesman for the Barack Obama presidential campaign.
A senior Iraqi spokesman initially blamed American troops but later said responsibility for the skirmish was unclear.
Mr. van der Merwe, who has not been linked to the bombing, was the party's senior spokesman until last year.
Parker, the big fellow with the earring glittering from his left lobe, has become something of a senior spokesman since joining the Athletics last season.
"We simply didn't check cautiously enough, and gave the wrong information," said a senior spokesman in the museum's public information department, Berenice Heller.
Ed Heintz, the senior spokesman for Rockwell at the plant, said he did not know why the building was constructed but never used.