Currie also offers speculation on the pack-hunting habits of Albertosaurus.
For motive, they offer speculation - but no proof.
For herself, Samuelson would offer little speculation, except to drop one tantalizing hint of her future.
The security chief did not offer speculation on the particular identity of the vessel, but Harriman's instinct told him that it was the flagship.
Mr. Krakauer does not even offer speculation about some heroic psychic drama his subject might have been unconsciously acting out.
Because the source was offering personal speculation and not hard information, the information was not disseminated within the intelligence community.
Instead, it offers speculation based on the way some officials in Iran behaved at the time.
Those officials spoke before tonight's Iraqi broadcast, and they cautioned that they were offering only informed speculation.
Here Mylroie slips, offering speculation in place of solid evidence.
In the known world, many bureaucrats and commentators were eager to offer speculation and imaginings last week, but the bottom line remained: Who knows?