Also from that washigntonpost article:
Cleland confirmed that he had a two- or three-minute conversation by cell phone with a Texan named Burkett in mid-August while he was on a car ride. He remembers Burkett saying that he had "valuable" information about Bush, and asking what he should with it. "I told him to contact the [Kerry] campaign," Cleland said. "You get this information tens of times a day, and you don't know if it is legit or not."
So who would give " a Texan named Burkett" Cleland's cell phone number? Another interesting question.
Evidently Burkett's information was enticing enough to have Cleland refer him to the Kerry Kampaign people and not just blow him off.
Burkett has some interesting connections: Moore, Cleland, Kerry Kampaign...who brought it to Rather/Mapes?