“If true, it is a remarkable fall for a congresswoman who, until recently, seemed relatively safe in her predominantly conservative district,” he writes.

And, if true, it might free up media for challenger Elwin Tinklenberg, who has committed only $188,000 for advertising — out of more than $1 million raised since comments by Bachmann on Friday’s edition of “Hardball.”

Update: Politico confirms — and adds that the NRCC is dropping advertising in Colorado and Florida districts as well. TPM offers independent confirmation.