Shares of his two prime holdings, Enterprise Products Partners L.P. and Enterprise G.

FORBES: Pipeline Tycoon Dan Duncan Worth $9.8 Billion At Death

In any given period the debt stock grows by the existing debt stock (d) multiplied by r-g, less the primary budget balance (p).

ECONOMIST: Daily chart

Washington (CNN) -- The pilot of the P-51 Mustang that crashed at the Reno Air Races last September experienced overwhelming g-forces at the outset of the incident, and likely was incapacitated almost instantly, the National Transportation Safety Board said Tuesday.

CNN: NTSB: Pilot overwhelmed by g-forces in Reno crash