When the House Oversight and Government Reform Committee calls you in, it’s usually not because you’re going to get a medal for a job well done. The current chairman, Republican Darrell Issa of California, has been an activist, but also highly partisan in the view of some colleagues. Now he’s announced plans for a more collaborative approach to running the committee. What’s going on? For some clues we turned to one-time committee chair, former Congressman Tom Davis of Northern Virginia.