http://thehill.com/leading-the-news/sampson-in-hot-seat-dems-want-to-know--who-was-behind-plan-to-circumvent-senate-2007-03-28.html
Here is an article that says SOME of what Sampson will be grilled about...don't know what he will say though.
Hiya Slueth
Here's list of the committe members
MEMBERS
Patrick J. Leahy
CHAIRMAN, D-VERMONT
Arlen Specter
RANKING MEMBER, R-PENNSYLVANIA
Edward M. Kennedy
D-MASSACHUSETTS
Joseph R. Biden, Jr.
D-DELAWARE
Orrin G. Hatch
R-UTAH
Herb Kohl
D-WISCONSIN
Charles E. Grassley
R-IOWA
Dianne Feinstein
D-CALIFORNIA
Jon Kyl
R-ARIZONA
Russell D. Feingold
D-WISCONSIN
Jeff Sessions
R-ALABAMA
Charles E. Schumer
D-NEW YORK
Lindsey Graham
R-SOUTH CAROLINA
Richard J. Durbin
D-ILLINOIS
John Cornyn
R-TEXAS
Benjamin L. Cardin
D-MARYLAND
Sam Brownback
R-KANSAS
Sheldon Whitehouse
D-RHODE ISLAND
Tom Coburn
R-OKLAHOMA
Leaky up talking there being roll call votes but wants to keep the hearing going because it's too important
He's giving his opening statement now