The scandal that forced an Attorney General to resign in disgrace hasn't generated too much attention lately, but it's still lingering.

The federal investigation into the firing of nine U.S. attorneys could jolt the political landscape ahead of the November elections, according to several people close to the inquiry.

Washington’s attention has been diverted from the scandal since the August resignation of Alberto Gonzales as attorney general, and has focused instead on Democrats’ efforts to hold White House officials in contempt for ignoring congressional subpoenas to testify on Capitol Hill about the firings.

But recent behind-the-scenes activity in several investigations suggests that the issue that roiled Congress in 2007 could re-emerge in the heat of the election year. Two inquiries by the House and Senate ethics committees are examining whether several congressional Republicans, including one running for the Senate this year, improperly interfered with investigations.

So many Republican scandals, so few indictments....