USAID Administrator and Director of Foreign Assistance Randall Tobias resigns for "personal reasons." Tobias's sudden departure was announced late this afternoon at State.

Late Update: And it was broken by a TPM alum no less. ABCNews' Justin Rood got the story: Tobias was on the DC Madam's customer list. Those were the 'personal reasons' for resigning his position at the State Department.

For more on the DC Madam story, see TPMmuckraker's running coverage.