The retirement tsunami in the federal government, predicted for more than 15 years, is starting to hit in at least one area: Congress. Twenty-five House and Senate leaders have already announced their retirements, so far.

However, some Capitol Hill insiders are worried the departures from Congress will lead to a loss of institutional knowledge.

"With 25 House members and Senators heading for the exits instead of seeking re-election or another office this fall, Congress is losing more than four centuries of institutional memory and service," Roll Call recently reported.

David Hawkings, editor of the CQ Roll Call Daily Briefing, joined In Depth with Francis Rose to discuss the potential knowledge vacuum.

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