“David was kind of the brains of the operation.” In the continuing trial of David Safavian, flipped Casino Jack flunky Neil Volz testifies to explain how the Abramoff operation courted — and was courted by — its “champions.” “‘When I was on Capitol Hill, I was given tickets to sporting events, concerts, free food, free meals,’ he testified. ‘In return, I gave preferential treatment to my lobbying buddies.’“