Morning Buzz: March 29, 2007

Kyle Sampson, the former chief of staff to Attorney General Alberto Gonzales, testifies before the Senate Judiciary Committee this morning at 10 a.m., when senators are likely to grill him. In a written version of his remarks that has already been released, he states that the eight prosecutors were fired for not supporting the president's priorities.

We'll post a pdf of the full remarks on the News Desk later in the morning.

With the Senate finishing up work on the military spending bill, which includes a provision for troop withdrawal, the stage is set for Bush to veto the bill.

Astronomers have identified a bizarre weather pattern on Saturn's north pole that resembles a hexagon, Space.com reports.

TJX Cos., owner of clothing retailers T.J. Maxx and Marshall's, announced in a regulatory filing that over 45 million credit and debit card numbers were stolen from its customers.