TPMmuckraker has all the relevant footage from today's hearing. Each link will bring you to a page with a descriptive context of the clip in question:

Sampson: We Didn't Consider Corruption Investigations

Sampson Admits Lam Was Never Confronted on Immigration

Specter Questions Sampson on Avoiding the Senate

Sampson Testifies about Conversation with Gonzales about Iglesias

Sampson Suggested Removing Fitzgerald

Sampson Explains Rove's Role in U.S. Attorney Nomination

Whitehouse Questions Sampson about His Experience

Schumer Questions Sampson about Gonzales Remarks

Sampson Didn't Think of "Perception Problem"

Feinstein Questions Samspon on Lam Firing

Sampson Defines "Loyalty"

Sampson on the Patiot Act Provision

Specter Asks Sampson about What "The Problem" with Carol Lam Was

TPM is constantly updating the video list so you can check back for others.