Stacy McCain has an IG update at Am. Spectator, including a list of links to previous stories. It remains a complicated investigation, and it hasn't gone away:
"Sen. Charles Grassley (R-Iowa) has tasked his staff to investigate the apparent pattern of pressure against inspectors generals, at Amtrak, Americorps, the International Trade Commission and "SIGTARP" Neil Barofsky, whose job is to watchdog the TARP bailout funds. Grassley's staff now have reportedly finished the main part of their investigation and are expected to prepare a report to be delivered later this fall. "
Check it out.