Via TPM Muckraker:

“Twelve days ago, at a town meeting in Sallisaw, Oklahoma, Sen. Tom Coburn (R-OK) accused Sen. Ted Stevens (R-AK) of obstructing his porkbuster-database bill with an anonymous hold. That’s according to an Aug. 18 article in the Fort Smith (Ark.) Times Record”.

Details here.

Shameful, but unsurprising, if true.